Home / 112,867.06-155,755.50-61,882.62

Finding the Fourth Proportional to 112,867.06, 155,755.50 and 61,882.62

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Solution

The fourth proportional to 112,867.06, 155,755.50 and 61,882.62 is: 85,397.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,867.06 : 155,755.50 = 61,882.62 : x
  2. Step 2: Convert to fraction form
    112,867.06/155,755.50 = 61,882.62/x
  3. Step 3: Cross multiply
    112,867.06x = 155,755.50 × 61,882.62
  4. Step 4: Simplify right side
    112,867.06x = 9,638,558,419.41
  5. Step 5: Solve for x
    x = 9,638,558,419.41/112,867.06
  6. Step 6: Final answer
    x = 85,397.44

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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.