Home / 112,582.76-155,369.10-62,281.76

Finding the Fourth Proportional to 112,582.76, 155,369.10 and 62,281.76

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Solution

The fourth proportional to 112,582.76, 155,369.10 and 62,281.76 is: 85,951.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,582.76 : 155,369.10 = 62,281.76 : x
  2. Step 2: Convert to fraction form
    112,582.76/155,369.10 = 62,281.76/x
  3. Step 3: Cross multiply
    112,582.76x = 155,369.10 × 62,281.76
  4. Step 4: Simplify right side
    112,582.76x = 9,676,660,997.62
  5. Step 5: Solve for x
    x = 9,676,660,997.62/112,582.76
  6. Step 6: Final answer
    x = 85,951.53

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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.