Home / 75,204.57-103,785.17-42,944.45

Finding the Fourth Proportional to 75,204.57, 103,785.17 and 42,944.45

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Solution

The fourth proportional to 75,204.57, 103,785.17 and 42,944.45 is: 59,264.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,204.57 : 103,785.17 = 42,944.45 : x
  2. Step 2: Convert to fraction form
    75,204.57/103,785.17 = 42,944.45/x
  3. Step 3: Cross multiply
    75,204.57x = 103,785.17 × 42,944.45
  4. Step 4: Simplify right side
    75,204.57x = 4,456,996,310.16
  5. Step 5: Solve for x
    x = 4,456,996,310.16/75,204.57
  6. Step 6: Final answer
    x = 59,264.97

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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.