Home / 112,363.60-155,061.78-62,062.60

Finding the Fourth Proportional to 112,363.60, 155,061.78 and 62,062.60

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Solution

The fourth proportional to 112,363.60, 155,061.78 and 62,062.60 is: 85,646.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,363.60 : 155,061.78 = 62,062.60 : x
  2. Step 2: Convert to fraction form
    112,363.60/155,061.78 = 62,062.60/x
  3. Step 3: Cross multiply
    112,363.60x = 155,061.78 × 62,062.60
  4. Step 4: Simplify right side
    112,363.60x = 9,623,537,227.43
  5. Step 5: Solve for x
    x = 9,623,537,227.43/112,363.60
  6. Step 6: Final answer
    x = 85,646.39

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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.