Home / 104,944.76-157,358.76-42,542.36

Finding the Fourth Proportional to 104,944.76, 157,358.76 and 42,542.36

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Solution

The fourth proportional to 104,944.76, 157,358.76 and 42,542.36 is: 63,789.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,944.76 : 157,358.76 = 42,542.36 : x
  2. Step 2: Convert to fraction form
    104,944.76/157,358.76 = 42,542.36/x
  3. Step 3: Cross multiply
    104,944.76x = 157,358.76 × 42,542.36
  4. Step 4: Simplify right side
    104,944.76x = 6,694,413,017.07
  5. Step 5: Solve for x
    x = 6,694,413,017.07/104,944.76
  6. Step 6: Final answer
    x = 63,789.87

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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.