Home / 89,925.85-124,098.83-49,639.69

Finding the Fourth Proportional to 89,925.85, 124,098.83 and 49,639.69

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Solution

The fourth proportional to 89,925.85, 124,098.83 and 49,639.69 is: 68,503.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,925.85 : 124,098.83 = 49,639.69 : x
  2. Step 2: Convert to fraction form
    89,925.85/124,098.83 = 49,639.69/x
  3. Step 3: Cross multiply
    89,925.85x = 124,098.83 × 49,639.69
  4. Step 4: Simplify right side
    89,925.85x = 6,160,227,202.36
  5. Step 5: Solve for x
    x = 6,160,227,202.36/89,925.85
  6. Step 6: Final answer
    x = 68,503.41

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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.