Home / 89,147.18-123,024.75-48,860.64

Finding the Fourth Proportional to 89,147.18, 123,024.75 and 48,860.64

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Solution

The fourth proportional to 89,147.18, 123,024.75 and 48,860.64 is: 67,428.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,147.18 : 123,024.75 = 48,860.64 : x
  2. Step 2: Convert to fraction form
    89,147.18/123,024.75 = 48,860.64/x
  3. Step 3: Cross multiply
    89,147.18x = 123,024.75 × 48,860.64
  4. Step 4: Simplify right side
    89,147.18x = 6,011,068,321.04
  5. Step 5: Solve for x
    x = 6,011,068,321.04/89,147.18
  6. Step 6: Final answer
    x = 67,428.58

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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.