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Finding the Fourth Proportional to 91,799.92, 137,699.88 and 29,514.16

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Solution

The fourth proportional to 91,799.92, 137,699.88 and 29,514.16 is: 44,271.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,799.92 : 137,699.88 = 29,514.16 : x
  2. Step 2: Convert to fraction form
    91,799.92/137,699.88 = 29,514.16/x
  3. Step 3: Cross multiply
    91,799.92x = 137,699.88 × 29,514.16
  4. Step 4: Simplify right side
    91,799.92x = 4,064,096,290.30
  5. Step 5: Solve for x
    x = 4,064,096,290.30/91,799.92
  6. Step 6: Final answer
    x = 44,271.24

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1.5x scale

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.