Home / 90,080.20-124,318.32-52,352

Finding the Fourth Proportional to 90,080.20, 124,318.32 and 52,352

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Solution

The fourth proportional to 90,080.20, 124,318.32 and 52,352 is: 72,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,080.20 : 124,318.32 = 52,352 : x
  2. Step 2: Convert to fraction form
    90,080.20/124,318.32 = 52,352/x
  3. Step 3: Cross multiply
    90,080.20x = 124,318.32 × 52,352
  4. Step 4: Simplify right side
    90,080.20x = 6,508,312,688.64
  5. Step 5: Solve for x
    x = 6,508,312,688.64/90,080.20
  6. Step 6: Final answer
    x = 72,250.20

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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.