Home / 43,281.12-64,921.68-39,444.96

Finding the Fourth Proportional to 43,281.12, 64,921.68 and 39,444.96

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Solution

The fourth proportional to 43,281.12, 64,921.68 and 39,444.96 is: 59,167.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,281.12 : 64,921.68 = 39,444.96 : x
  2. Step 2: Convert to fraction form
    43,281.12/64,921.68 = 39,444.96/x
  3. Step 3: Cross multiply
    43,281.12x = 64,921.68 × 39,444.96
  4. Step 4: Simplify right side
    43,281.12x = 2,560,833,070.73
  5. Step 5: Solve for x
    x = 2,560,833,070.73/43,281.12
  6. Step 6: Final answer
    x = 59,167.44

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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.