Home / 89,343.75-123,293.50-49,057.16

Finding the Fourth Proportional to 89,343.75, 123,293.50 and 49,057.16

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Solution

The fourth proportional to 89,343.75, 123,293.50 and 49,057.16 is: 67,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,343.75 : 123,293.50 = 49,057.16 : x
  2. Step 2: Convert to fraction form
    89,343.75/123,293.50 = 49,057.16/x
  3. Step 3: Cross multiply
    89,343.75x = 123,293.50 × 49,057.16
  4. Step 4: Simplify right side
    89,343.75x = 6,048,428,956.46
  5. Step 5: Solve for x
    x = 6,048,428,956.46/89,343.75
  6. Step 6: Final answer
    x = 67,698.40

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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.