Home / 82,947.12-124,473.96-36,204.72

Finding the Fourth Proportional to 82,947.12, 124,473.96 and 36,204.72

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Solution

The fourth proportional to 82,947.12, 124,473.96 and 36,204.72 is: 54,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,947.12 : 124,473.96 = 36,204.72 : x
  2. Step 2: Convert to fraction form
    82,947.12/124,473.96 = 36,204.72/x
  3. Step 3: Cross multiply
    82,947.12x = 124,473.96 × 36,204.72
  4. Step 4: Simplify right side
    82,947.12x = 4,506,544,869.09
  5. Step 5: Solve for x
    x = 4,506,544,869.09/82,947.12
  6. Step 6: Final answer
    x = 54,330.34

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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.