Home / 112,591.09-155,386.25-62,306.29

Finding the Fourth Proportional to 112,591.09, 155,386.25 and 62,306.29

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Solution

The fourth proportional to 112,591.09, 155,386.25 and 62,306.29 is: 85,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,591.09 : 155,386.25 = 62,306.29 : x
  2. Step 2: Convert to fraction form
    112,591.09/155,386.25 = 62,306.29/x
  3. Step 3: Cross multiply
    112,591.09x = 155,386.25 × 62,306.29
  4. Step 4: Simplify right side
    112,591.09x = 9,681,540,754.51
  5. Step 5: Solve for x
    x = 9,681,540,754.51/112,591.09
  6. Step 6: Final answer
    x = 85,988.52

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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.