Home / 89,944.61-124,123.74-49,658.45

Finding the Fourth Proportional to 89,944.61, 124,123.74 and 49,658.45

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Solution

The fourth proportional to 89,944.61, 124,123.74 and 49,658.45 is: 68,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,944.61 : 124,123.74 = 49,658.45 : x
  2. Step 2: Convert to fraction form
    89,944.61/124,123.74 = 49,658.45/x
  3. Step 3: Cross multiply
    89,944.61x = 124,123.74 × 49,658.45
  4. Step 4: Simplify right side
    89,944.61x = 6,163,792,102.20
  5. Step 5: Solve for x
    x = 6,163,792,102.20/89,944.61
  6. Step 6: Final answer
    x = 68,528.76

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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.