Home / 112,459.55-155,194.04-61,472.61

Finding the Fourth Proportional to 112,459.55, 155,194.04 and 61,472.61

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Solution

The fourth proportional to 112,459.55, 155,194.04 and 61,472.61 is: 84,832.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,459.55 : 155,194.04 = 61,472.61 : x
  2. Step 2: Convert to fraction form
    112,459.55/155,194.04 = 61,472.61/x
  3. Step 3: Cross multiply
    112,459.55x = 155,194.04 × 61,472.61
  4. Step 4: Simplify right side
    112,459.55x = 9,540,182,387.88
  5. Step 5: Solve for x
    x = 9,540,182,387.88/112,459.55
  6. Step 6: Final answer
    x = 84,832.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.