Home / 48,318.24-72,462.72-28,591.56

Finding the Fourth Proportional to 48,318.24, 72,462.72 and 28,591.56

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Solution

The fourth proportional to 48,318.24, 72,462.72 and 28,591.56 is: 42,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,318.24 : 72,462.72 = 28,591.56 : x
  2. Step 2: Convert to fraction form
    48,318.24/72,462.72 = 28,591.56/x
  3. Step 3: Cross multiply
    48,318.24x = 72,462.72 × 28,591.56
  4. Step 4: Simplify right side
    48,318.24x = 2,071,822,206.64
  5. Step 5: Solve for x
    x = 2,071,822,206.64/48,318.24
  6. Step 6: Final answer
    x = 42,878.68

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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.