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Finding the Fourth Proportional to 93,777.66, 129,414.71 and 52,943.94

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Solution

The fourth proportional to 93,777.66, 129,414.71 and 52,943.94 is: 73,063.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,777.66 : 129,414.71 = 52,943.94 : x
  2. Step 2: Convert to fraction form
    93,777.66/129,414.71 = 52,943.94/x
  3. Step 3: Cross multiply
    93,777.66x = 129,414.71 × 52,943.94
  4. Step 4: Simplify right side
    93,777.66x = 6,851,724,773.72
  5. Step 5: Solve for x
    x = 6,851,724,773.72/93,777.66
  6. Step 6: Final answer
    x = 73,063.51

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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.