Home / 84,962.88-127,445.04-29,520

Finding the Fourth Proportional to 84,962.88, 127,445.04 and 29,520

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Solution

The fourth proportional to 84,962.88, 127,445.04 and 29,520 is: 44,280.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,962.88 : 127,445.04 = 29,520 : x
  2. Step 2: Convert to fraction form
    84,962.88/127,445.04 = 29,520/x
  3. Step 3: Cross multiply
    84,962.88x = 127,445.04 × 29,520
  4. Step 4: Simplify right side
    84,962.88x = 3,762,177,580.80
  5. Step 5: Solve for x
    x = 3,762,177,580.80/84,962.88
  6. Step 6: Final answer
    x = 44,280.25

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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.