Home / 72,497.22-108,744.48-19,904.76

Finding the Fourth Proportional to 72,497.22, 108,744.48 and 19,904.76

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Solution

The fourth proportional to 72,497.22, 108,744.48 and 19,904.76 is: 29,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,497.22 : 108,744.48 = 19,904.76 : x
  2. Step 2: Convert to fraction form
    72,497.22/108,744.48 = 19,904.76/x
  3. Step 3: Cross multiply
    72,497.22x = 108,744.48 × 19,904.76
  4. Step 4: Simplify right side
    72,497.22x = 2,164,532,775.72
  5. Step 5: Solve for x
    x = 2,164,532,775.72/72,497.22
  6. Step 6: Final answer
    x = 29,856.77

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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.