Home / 89,726.23-134,590.38-38,427.95

Finding the Fourth Proportional to 89,726.23, 134,590.38 and 38,427.95

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Solution

The fourth proportional to 89,726.23, 134,590.38 and 38,427.95 is: 57,642.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,726.23 : 134,590.38 = 38,427.95 : x
  2. Step 2: Convert to fraction form
    89,726.23/134,590.38 = 38,427.95/x
  3. Step 3: Cross multiply
    89,726.23x = 134,590.38 × 38,427.95
  4. Step 4: Simplify right side
    89,726.23x = 5,172,032,585.49
  5. Step 5: Solve for x
    x = 5,172,032,585.49/89,726.23
  6. Step 6: Final answer
    x = 57,642.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.