Home / 91,376.26-137,062.95-29,045.86

Finding the Fourth Proportional to 91,376.26, 137,062.95 and 29,045.86

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Solution

The fourth proportional to 91,376.26, 137,062.95 and 29,045.86 is: 43,568.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,376.26 : 137,062.95 = 29,045.86 : x
  2. Step 2: Convert to fraction form
    91,376.26/137,062.95 = 29,045.86/x
  3. Step 3: Cross multiply
    91,376.26x = 137,062.95 × 29,045.86
  4. Step 4: Simplify right side
    91,376.26x = 3,981,111,256.89
  5. Step 5: Solve for x
    x = 3,981,111,256.89/91,376.26
  6. Step 6: Final answer
    x = 43,568.33

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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.