Home / 92,770.08-138,039.24-92,459.04

Finding the Fourth Proportional to 92,770.08, 138,039.24 and 92,459.04

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Solution

The fourth proportional to 92,770.08, 138,039.24 and 92,459.04 is: 137,576.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,770.08 : 138,039.24 = 92,459.04 : x
  2. Step 2: Convert to fraction form
    92,770.08/138,039.24 = 92,459.04/x
  3. Step 3: Cross multiply
    92,770.08x = 138,039.24 × 92,459.04
  4. Step 4: Simplify right side
    92,770.08x = 12,762,975,612.73
  5. Step 5: Solve for x
    x = 12,762,975,612.73/92,770.08
  6. Step 6: Final answer
    x = 137,576.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.