Home / 89,663.33-123,735.80-51,424.38

Finding the Fourth Proportional to 89,663.33, 123,735.80 and 51,424.38

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Solution

The fourth proportional to 89,663.33, 123,735.80 and 51,424.38 is: 70,965.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,663.33 : 123,735.80 = 51,424.38 : x
  2. Step 2: Convert to fraction form
    89,663.33/123,735.80 = 51,424.38/x
  3. Step 3: Cross multiply
    89,663.33x = 123,735.80 × 51,424.38
  4. Step 4: Simplify right side
    89,663.33x = 6,363,036,541.68
  5. Step 5: Solve for x
    x = 6,363,036,541.68/89,663.33
  6. Step 6: Final answer
    x = 70,965.88

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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.