Home / 58,531.20-87,667.20-48,163.20

Finding the Fourth Proportional to 58,531.20, 87,667.20 and 48,163.20

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Solution

The fourth proportional to 58,531.20, 87,667.20 and 48,163.20 is: 72,138.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,531.20 : 87,667.20 = 48,163.20 : x
  2. Step 2: Convert to fraction form
    58,531.20/87,667.20 = 48,163.20/x
  3. Step 3: Cross multiply
    58,531.20x = 87,667.20 × 48,163.20
  4. Step 4: Simplify right side
    58,531.20x = 4,222,332,887.04
  5. Step 5: Solve for x
    x = 4,222,332,887.04/58,531.20
  6. Step 6: Final answer
    x = 72,138.16

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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.