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Finding the Fourth Proportional to 96,643.94, 133,373.12 and 60,366.86

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Solution

The fourth proportional to 96,643.94, 133,373.12 and 60,366.86 is: 83,309.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,643.94 : 133,373.12 = 60,366.86 : x
  2. Step 2: Convert to fraction form
    96,643.94/133,373.12 = 60,366.86/x
  3. Step 3: Cross multiply
    96,643.94x = 133,373.12 × 60,366.86
  4. Step 4: Simplify right side
    96,643.94x = 8,051,316,371.55
  5. Step 5: Solve for x
    x = 8,051,316,371.55/96,643.94
  6. Step 6: Final answer
    x = 83,309.07

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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.