Home / 82,281.23-113,545.81-48,747.23

Finding the Fourth Proportional to 82,281.23, 113,545.81 and 48,747.23

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Solution

The fourth proportional to 82,281.23, 113,545.81 and 48,747.23 is: 67,269.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,281.23 : 113,545.81 = 48,747.23 : x
  2. Step 2: Convert to fraction form
    82,281.23/113,545.81 = 48,747.23/x
  3. Step 3: Cross multiply
    82,281.23x = 113,545.81 × 48,747.23
  4. Step 4: Simplify right side
    82,281.23x = 5,535,043,715.61
  5. Step 5: Solve for x
    x = 5,535,043,715.61/82,281.23
  6. Step 6: Final answer
    x = 67,269.82

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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.