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Finding the Fourth Proportional to 93,796.84, 129,432.90 and 51,348.52

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Solution

The fourth proportional to 93,796.84, 129,432.90 and 51,348.52 is: 70,857.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,796.84 : 129,432.90 = 51,348.52 : x
  2. Step 2: Convert to fraction form
    93,796.84/129,432.90 = 51,348.52/x
  3. Step 3: Cross multiply
    93,796.84x = 129,432.90 × 51,348.52
  4. Step 4: Simplify right side
    93,796.84x = 6,646,187,854.31
  5. Step 5: Solve for x
    x = 6,646,187,854.31/93,796.84
  6. Step 6: Final answer
    x = 70,857.27

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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.