Home / 91,091.13-136,621.17-24,516.42

Finding the Fourth Proportional to 91,091.13, 136,621.17 and 24,516.42

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Solution

The fourth proportional to 91,091.13, 136,621.17 and 24,516.42 is: 36,770.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,091.13 : 136,621.17 = 24,516.42 : x
  2. Step 2: Convert to fraction form
    91,091.13/136,621.17 = 24,516.42/x
  3. Step 3: Cross multiply
    91,091.13x = 136,621.17 × 24,516.42
  4. Step 4: Simplify right side
    91,091.13x = 3,349,461,984.61
  5. Step 5: Solve for x
    x = 3,349,461,984.61/91,091.13
  6. Step 6: Final answer
    x = 36,770.45

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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.