Home / 65,740.20-98,610.30-37,746.60

Finding the Fourth Proportional to 65,740.20, 98,610.30 and 37,746.60

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Solution

The fourth proportional to 65,740.20, 98,610.30 and 37,746.60 is: 56,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,740.20 : 98,610.30 = 37,746.60 : x
  2. Step 2: Convert to fraction form
    65,740.20/98,610.30 = 37,746.60/x
  3. Step 3: Cross multiply
    65,740.20x = 98,610.30 × 37,746.60
  4. Step 4: Simplify right side
    65,740.20x = 3,722,203,549.98
  5. Step 5: Solve for x
    x = 3,722,203,549.98/65,740.20
  6. Step 6: Final answer
    x = 56,619.90

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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.