Home / 87,627.29-120,925.71-47,341.02

Finding the Fourth Proportional to 87,627.29, 120,925.71 and 47,341.02

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Solution

The fourth proportional to 87,627.29, 120,925.71 and 47,341.02 is: 65,330.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,627.29 : 120,925.71 = 47,341.02 : x
  2. Step 2: Convert to fraction form
    87,627.29/120,925.71 = 47,341.02/x
  3. Step 3: Cross multiply
    87,627.29x = 120,925.71 × 47,341.02
  4. Step 4: Simplify right side
    87,627.29x = 5,724,746,909.10
  5. Step 5: Solve for x
    x = 5,724,746,909.10/87,627.29
  6. Step 6: Final answer
    x = 65,330.64

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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.