Home / 112,422.24-155,136.60-62,118

Finding the Fourth Proportional to 112,422.24, 155,136.60 and 62,118

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Solution

The fourth proportional to 112,422.24, 155,136.60 and 62,118 is: 85,719.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,422.24 : 155,136.60 = 62,118 : x
  2. Step 2: Convert to fraction form
    112,422.24/155,136.60 = 62,118/x
  3. Step 3: Cross multiply
    112,422.24x = 155,136.60 × 62,118
  4. Step 4: Simplify right side
    112,422.24x = 9,636,775,318.80
  5. Step 5: Solve for x
    x = 9,636,775,318.80/112,422.24
  6. Step 6: Final answer
    x = 85,719.47

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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.