Home / 90,948.11-125,508.51-52,715.07

Finding the Fourth Proportional to 90,948.11, 125,508.51 and 52,715.07

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Solution

The fourth proportional to 90,948.11, 125,508.51 and 52,715.07 is: 72,746.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,948.11 : 125,508.51 = 52,715.07 : x
  2. Step 2: Convert to fraction form
    90,948.11/125,508.51 = 52,715.07/x
  3. Step 3: Cross multiply
    90,948.11x = 125,508.51 × 52,715.07
  4. Step 4: Simplify right side
    90,948.11x = 6,616,189,890.25
  5. Step 5: Solve for x
    x = 6,616,189,890.25/90,948.11
  6. Step 6: Final answer
    x = 72,746.87

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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.