Home / 48,439.14-72,619.52-15,142.08

Finding the Fourth Proportional to 48,439.14, 72,619.52 and 15,142.08

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Solution

The fourth proportional to 48,439.14, 72,619.52 and 15,142.08 is: 22,700.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,439.14 : 72,619.52 = 15,142.08 : x
  2. Step 2: Convert to fraction form
    48,439.14/72,619.52 = 15,142.08/x
  3. Step 3: Cross multiply
    48,439.14x = 72,619.52 × 15,142.08
  4. Step 4: Simplify right side
    48,439.14x = 1,099,610,581.40
  5. Step 5: Solve for x
    x = 1,099,610,581.40/48,439.14
  6. Step 6: Final answer
    x = 22,700.87

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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.