Home / 93,939.65-129,641.69-51,499.97

Finding the Fourth Proportional to 93,939.65, 129,641.69 and 51,499.97

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Solution

The fourth proportional to 93,939.65, 129,641.69 and 51,499.97 is: 71,072.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,939.65 : 129,641.69 = 51,499.97 : x
  2. Step 2: Convert to fraction form
    93,939.65/129,641.69 = 51,499.97/x
  3. Step 3: Cross multiply
    93,939.65x = 129,641.69 × 51,499.97
  4. Step 4: Simplify right side
    93,939.65x = 6,676,543,145.75
  5. Step 5: Solve for x
    x = 6,676,543,145.75/93,939.65
  6. Step 6: Final answer
    x = 71,072.68

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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.