Home / 91,545.46-137,338.86-49,424.62

Finding the Fourth Proportional to 91,545.46, 137,338.86 and 49,424.62

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Solution

The fourth proportional to 91,545.46, 137,338.86 and 49,424.62 is: 74,148.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,545.46 : 137,338.86 = 49,424.62 : x
  2. Step 2: Convert to fraction form
    91,545.46/137,338.86 = 49,424.62/x
  3. Step 3: Cross multiply
    91,545.46x = 137,338.86 × 49,424.62
  4. Step 4: Simplify right side
    91,545.46x = 6,787,920,966.73
  5. Step 5: Solve for x
    x = 6,787,920,966.73/91,545.46
  6. Step 6: Final answer
    x = 74,148.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.