Home / 75,270.91-112,906.56-25,386.05

Finding the Fourth Proportional to 75,270.91, 112,906.56 and 25,386.05

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Solution

The fourth proportional to 75,270.91, 112,906.56 and 25,386.05 is: 38,079.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,270.91 : 112,906.56 = 25,386.05 : x
  2. Step 2: Convert to fraction form
    75,270.91/112,906.56 = 25,386.05/x
  3. Step 3: Cross multiply
    75,270.91x = 112,906.56 × 25,386.05
  4. Step 4: Simplify right side
    75,270.91x = 2,866,251,577.49
  5. Step 5: Solve for x
    x = 2,866,251,577.49/75,270.91
  6. Step 6: Final answer
    x = 38,079.14

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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.