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Finding the Fourth Proportional to 98,761.87, 148,107.76 and 35,565.03

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Solution

The fourth proportional to 98,761.87, 148,107.76 and 35,565.03 is: 53,334.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,761.87 : 148,107.76 = 35,565.03 : x
  2. Step 2: Convert to fraction form
    98,761.87/148,107.76 = 35,565.03/x
  3. Step 3: Cross multiply
    98,761.87x = 148,107.76 × 35,565.03
  4. Step 4: Simplify right side
    98,761.87x = 5,267,456,838.72
  5. Step 5: Solve for x
    x = 5,267,456,838.72/98,761.87
  6. Step 6: Final answer
    x = 53,334.92

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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.