Home / 90,331.49-124,653.89-50,045.87

Finding the Fourth Proportional to 90,331.49, 124,653.89 and 50,045.87

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Solution

The fourth proportional to 90,331.49, 124,653.89 and 50,045.87 is: 69,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,331.49 : 124,653.89 = 50,045.87 : x
  2. Step 2: Convert to fraction form
    90,331.49/124,653.89 = 50,045.87/x
  3. Step 3: Cross multiply
    90,331.49x = 124,653.89 × 50,045.87
  4. Step 4: Simplify right side
    90,331.49x = 6,238,411,500.44
  5. Step 5: Solve for x
    x = 6,238,411,500.44/90,331.49
  6. Step 6: Final answer
    x = 69,061.32

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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.