Home / 112,755.38-155,602.72-62,454.38

Finding the Fourth Proportional to 112,755.38, 155,602.72 and 62,454.38

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Solution

The fourth proportional to 112,755.38, 155,602.72 and 62,454.38 is: 86,187.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,755.38 : 155,602.72 = 62,454.38 : x
  2. Step 2: Convert to fraction form
    112,755.38/155,602.72 = 62,454.38/x
  3. Step 3: Cross multiply
    112,755.38x = 155,602.72 × 62,454.38
  4. Step 4: Simplify right side
    112,755.38x = 9,718,070,703.97
  5. Step 5: Solve for x
    x = 9,718,070,703.97/112,755.38
  6. Step 6: Final answer
    x = 86,187.21

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1.5x scale

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.