Home / 83,848.95-125,773.38-21,519.45

Finding the Fourth Proportional to 83,848.95, 125,773.38 and 21,519.45

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Solution

The fourth proportional to 83,848.95, 125,773.38 and 21,519.45 is: 32,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,848.95 : 125,773.38 = 21,519.45 : x
  2. Step 2: Convert to fraction form
    83,848.95/125,773.38 = 21,519.45/x
  3. Step 3: Cross multiply
    83,848.95x = 125,773.38 × 21,519.45
  4. Step 4: Simplify right side
    83,848.95x = 2,706,573,962.24
  5. Step 5: Solve for x
    x = 2,706,573,962.24/83,848.95
  6. Step 6: Final answer
    x = 32,279.16

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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.