Home / 52,100.20-78,160.04-17,041.76

Finding the Fourth Proportional to 52,100.20, 78,160.04 and 17,041.76

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Solution

The fourth proportional to 52,100.20, 78,160.04 and 17,041.76 is: 25,565.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,100.20 : 78,160.04 = 17,041.76 : x
  2. Step 2: Convert to fraction form
    52,100.20/78,160.04 = 17,041.76/x
  3. Step 3: Cross multiply
    52,100.20x = 78,160.04 × 17,041.76
  4. Step 4: Simplify right side
    52,100.20x = 1,331,984,643.27
  5. Step 5: Solve for x
    x = 1,331,984,643.27/52,100.20
  6. Step 6: Final answer
    x = 25,565.83

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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.