Home / 89,856.72-124,000.92-49,020.48

Finding the Fourth Proportional to 89,856.72, 124,000.92 and 49,020.48

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Solution

The fourth proportional to 89,856.72, 124,000.92 and 49,020.48 is: 67,647.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,856.72 : 124,000.92 = 49,020.48 : x
  2. Step 2: Convert to fraction form
    89,856.72/124,000.92 = 49,020.48/x
  3. Step 3: Cross multiply
    89,856.72x = 124,000.92 × 49,020.48
  4. Step 4: Simplify right side
    89,856.72x = 6,078,584,618.84
  5. Step 5: Solve for x
    x = 6,078,584,618.84/89,856.72
  6. Step 6: Final answer
    x = 67,647.52

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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.