Home / 61,990.20-92,985.30-35,746.20

Finding the Fourth Proportional to 61,990.20, 92,985.30 and 35,746.20

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Solution

The fourth proportional to 61,990.20, 92,985.30 and 35,746.20 is: 53,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,990.20 : 92,985.30 = 35,746.20 : x
  2. Step 2: Convert to fraction form
    61,990.20/92,985.30 = 35,746.20/x
  3. Step 3: Cross multiply
    61,990.20x = 92,985.30 × 35,746.20
  4. Step 4: Simplify right side
    61,990.20x = 3,323,871,130.86
  5. Step 5: Solve for x
    x = 3,323,871,130.86/61,990.20
  6. Step 6: Final answer
    x = 53,619.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.