Home / 74,545.96-111,671.34-48,269.20

Finding the Fourth Proportional to 74,545.96, 111,671.34 and 48,269.20

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Solution

The fourth proportional to 74,545.96, 111,671.34 and 48,269.20 is: 72,308.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,545.96 : 111,671.34 = 48,269.20 : x
  2. Step 2: Convert to fraction form
    74,545.96/111,671.34 = 48,269.20/x
  3. Step 3: Cross multiply
    74,545.96x = 111,671.34 × 48,269.20
  4. Step 4: Simplify right side
    74,545.96x = 5,390,286,244.73
  5. Step 5: Solve for x
    x = 5,390,286,244.73/74,545.96
  6. Step 6: Final answer
    x = 72,308.23

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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.