Home / 68,962.80-95,128.56-43,459.20

Finding the Fourth Proportional to 68,962.80, 95,128.56 and 43,459.20

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Solution

The fourth proportional to 68,962.80, 95,128.56 and 43,459.20 is: 59,948.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,962.80 : 95,128.56 = 43,459.20 : x
  2. Step 2: Convert to fraction form
    68,962.80/95,128.56 = 43,459.20/x
  3. Step 3: Cross multiply
    68,962.80x = 95,128.56 × 43,459.20
  4. Step 4: Simplify right side
    68,962.80x = 4,134,211,114.75
  5. Step 5: Solve for x
    x = 4,134,211,114.75/68,962.80
  6. Step 6: Final answer
    x = 59,948.42

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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.