Home / 72,319.96-108,508.47-22,403.95

Finding the Fourth Proportional to 72,319.96, 108,508.47 and 22,403.95

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Solution

The fourth proportional to 72,319.96, 108,508.47 and 22,403.95 is: 33,614.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,319.96 : 108,508.47 = 22,403.95 : x
  2. Step 2: Convert to fraction form
    72,319.96/108,508.47 = 22,403.95/x
  3. Step 3: Cross multiply
    72,319.96x = 108,508.47 × 22,403.95
  4. Step 4: Simplify right side
    72,319.96x = 2,431,018,336.46
  5. Step 5: Solve for x
    x = 2,431,018,336.46/72,319.96
  6. Step 6: Final answer
    x = 33,614.76

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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.