Home / 87,281.64-130,800.38-47,214.11

Finding the Fourth Proportional to 87,281.64, 130,800.38 and 47,214.11

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Solution

The fourth proportional to 87,281.64, 130,800.38 and 47,214.11 is: 70,755.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,281.64 : 130,800.38 = 47,214.11 : x
  2. Step 2: Convert to fraction form
    87,281.64/130,800.38 = 47,214.11/x
  3. Step 3: Cross multiply
    87,281.64x = 130,800.38 × 47,214.11
  4. Step 4: Simplify right side
    87,281.64x = 6,175,622,639.29
  5. Step 5: Solve for x
    x = 6,175,622,639.29/87,281.64
  6. Step 6: Final answer
    x = 70,755.12

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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.