Home / 75,270.06-112,905.29-25,385.20

Finding the Fourth Proportional to 75,270.06, 112,905.29 and 25,385.20

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Solution

The fourth proportional to 75,270.06, 112,905.29 and 25,385.20 is: 38,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,270.06 : 112,905.29 = 25,385.20 : x
  2. Step 2: Convert to fraction form
    75,270.06/112,905.29 = 25,385.20/x
  3. Step 3: Cross multiply
    75,270.06x = 112,905.29 × 25,385.20
  4. Step 4: Simplify right side
    75,270.06x = 2,866,123,625.23
  5. Step 5: Solve for x
    x = 2,866,123,625.23/75,270.06
  6. Step 6: Final answer
    x = 38,077.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.