Home / 72,712.28-109,009.59-32,701.96

Finding the Fourth Proportional to 72,712.28, 109,009.59 and 32,701.96

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Solution

The fourth proportional to 72,712.28, 109,009.59 and 32,701.96 is: 49,026.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,712.28 : 109,009.59 = 32,701.96 : x
  2. Step 2: Convert to fraction form
    72,712.28/109,009.59 = 32,701.96/x
  3. Step 3: Cross multiply
    72,712.28x = 109,009.59 × 32,701.96
  4. Step 4: Simplify right side
    72,712.28x = 3,564,827,251.80
  5. Step 5: Solve for x
    x = 3,564,827,251.80/72,712.28
  6. Step 6: Final answer
    x = 49,026.48

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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.