Home / 65,872.04-98,737.26-28,449.80

Finding the Fourth Proportional to 65,872.04, 98,737.26 and 28,449.80

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Solution

The fourth proportional to 65,872.04, 98,737.26 and 28,449.80 is: 42,644.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,872.04 : 98,737.26 = 28,449.80 : x
  2. Step 2: Convert to fraction form
    65,872.04/98,737.26 = 28,449.80/x
  3. Step 3: Cross multiply
    65,872.04x = 98,737.26 × 28,449.80
  4. Step 4: Simplify right side
    65,872.04x = 2,809,055,299.55
  5. Step 5: Solve for x
    x = 2,809,055,299.55/65,872.04
  6. Step 6: Final answer
    x = 42,644.12

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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.