Home / 48,139.86-72,203.11-14,861.02

Finding the Fourth Proportional to 48,139.86, 72,203.11 and 14,861.02

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Solution

The fourth proportional to 48,139.86, 72,203.11 and 14,861.02 is: 22,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,139.86 : 72,203.11 = 14,861.02 : x
  2. Step 2: Convert to fraction form
    48,139.86/72,203.11 = 14,861.02/x
  3. Step 3: Cross multiply
    48,139.86x = 72,203.11 × 14,861.02
  4. Step 4: Simplify right side
    48,139.86x = 1,073,011,861.77
  5. Step 5: Solve for x
    x = 1,073,011,861.77/48,139.86
  6. Step 6: Final answer
    x = 22,289.47

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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.