Home / 91,133.78-136,707.82-24,572.90

Finding the Fourth Proportional to 91,133.78, 136,707.82 and 24,572.90

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Solution

The fourth proportional to 91,133.78, 136,707.82 and 24,572.90 is: 36,861.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,133.78 : 136,707.82 = 24,572.90 : x
  2. Step 2: Convert to fraction form
    91,133.78/136,707.82 = 24,572.90/x
  3. Step 3: Cross multiply
    91,133.78x = 136,707.82 × 24,572.90
  4. Step 4: Simplify right side
    91,133.78x = 3,359,307,590.08
  5. Step 5: Solve for x
    x = 3,359,307,590.08/91,133.78
  6. Step 6: Final answer
    x = 36,861.28

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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.