Home / 89,928.76-124,108.56-49,650.28

Finding the Fourth Proportional to 89,928.76, 124,108.56 and 49,650.28

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Solution

The fourth proportional to 89,928.76, 124,108.56 and 49,650.28 is: 68,521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,928.76 : 124,108.56 = 49,650.28 : x
  2. Step 2: Convert to fraction form
    89,928.76/124,108.56 = 49,650.28/x
  3. Step 3: Cross multiply
    89,928.76x = 124,108.56 × 49,650.28
  4. Step 4: Simplify right side
    89,928.76x = 6,162,024,754.40
  5. Step 5: Solve for x
    x = 6,162,024,754.40/89,928.76
  6. Step 6: Final answer
    x = 68,521.18

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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.