Home / 71,591.24-98,793.18-39,762.18

Finding the Fourth Proportional to 71,591.24, 98,793.18 and 39,762.18

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Solution

The fourth proportional to 71,591.24, 98,793.18 and 39,762.18 is: 54,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,591.24 : 98,793.18 = 39,762.18 : x
  2. Step 2: Convert to fraction form
    71,591.24/98,793.18 = 39,762.18/x
  3. Step 3: Cross multiply
    71,591.24x = 98,793.18 × 39,762.18
  4. Step 4: Simplify right side
    71,591.24x = 3,928,232,205.93
  5. Step 5: Solve for x
    x = 3,928,232,205.93/71,591.24
  6. Step 6: Final answer
    x = 54,870.29

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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.