Home / 112,829.48-155,711.94-62,531.72

Finding the Fourth Proportional to 112,829.48, 155,711.94 and 62,531.72

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Solution

The fourth proportional to 112,829.48, 155,711.94 and 62,531.72 is: 86,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,829.48 : 155,711.94 = 62,531.72 : x
  2. Step 2: Convert to fraction form
    112,829.48/155,711.94 = 62,531.72/x
  3. Step 3: Cross multiply
    112,829.48x = 155,711.94 × 62,531.72
  4. Step 4: Simplify right side
    112,829.48x = 9,736,935,432.74
  5. Step 5: Solve for x
    x = 9,736,935,432.74/112,829.48
  6. Step 6: Final answer
    x = 86,297.80

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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.