Home / 89,963.75-124,150.97-49,677.45

Finding the Fourth Proportional to 89,963.75, 124,150.97 and 49,677.45

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Solution

The fourth proportional to 89,963.75, 124,150.97 and 49,677.45 is: 68,555.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,963.75 : 124,150.97 = 49,677.45 : x
  2. Step 2: Convert to fraction form
    89,963.75/124,150.97 = 49,677.45/x
  3. Step 3: Cross multiply
    89,963.75x = 124,150.97 × 49,677.45
  4. Step 4: Simplify right side
    89,963.75x = 6,167,503,728.82
  5. Step 5: Solve for x
    x = 6,167,503,728.82/89,963.75
  6. Step 6: Final answer
    x = 68,555.44

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1.5x scale

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.