Home / 89,755.41-123,858.48-51,488.38

Finding the Fourth Proportional to 89,755.41, 123,858.48 and 51,488.38

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Solution

The fourth proportional to 89,755.41, 123,858.48 and 51,488.38 is: 71,051.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,755.41 : 123,858.48 = 51,488.38 : x
  2. Step 2: Convert to fraction form
    89,755.41/123,858.48 = 51,488.38/x
  3. Step 3: Cross multiply
    89,755.41x = 123,858.48 × 51,488.38
  4. Step 4: Simplify right side
    89,755.41x = 6,377,272,484.46
  5. Step 5: Solve for x
    x = 6,377,272,484.46/89,755.41
  6. Step 6: Final answer
    x = 71,051.68

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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.