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Finding the Fourth Proportional to 96,604.16, 133,264.32 and 64,394.24

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Solution

The fourth proportional to 96,604.16, 133,264.32 and 64,394.24 is: 88,831.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,604.16 : 133,264.32 = 64,394.24 : x
  2. Step 2: Convert to fraction form
    96,604.16/133,264.32 = 64,394.24/x
  3. Step 3: Cross multiply
    96,604.16x = 133,264.32 × 64,394.24
  4. Step 4: Simplify right side
    96,604.16x = 8,581,454,605.52
  5. Step 5: Solve for x
    x = 8,581,454,605.52/96,604.16
  6. Step 6: Final answer
    x = 88,831.11

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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.