Home / 92,443.61-127,561.20-52,155.02

Finding the Fourth Proportional to 92,443.61, 127,561.20 and 52,155.02

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Solution

The fourth proportional to 92,443.61, 127,561.20 and 52,155.02 is: 71,967.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,443.61 : 127,561.20 = 52,155.02 : x
  2. Step 2: Convert to fraction form
    92,443.61/127,561.20 = 52,155.02/x
  3. Step 3: Cross multiply
    92,443.61x = 127,561.20 × 52,155.02
  4. Step 4: Simplify right side
    92,443.61x = 6,652,956,937.22
  5. Step 5: Solve for x
    x = 6,652,956,937.22/92,443.61
  6. Step 6: Final answer
    x = 71,967.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.