Home / 43,079.14-64,618.73-13,499.29

Finding the Fourth Proportional to 43,079.14, 64,618.73 and 13,499.29

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Solution

The fourth proportional to 43,079.14, 64,618.73 and 13,499.29 is: 20,248.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,079.14 : 64,618.73 = 13,499.29 : x
  2. Step 2: Convert to fraction form
    43,079.14/64,618.73 = 13,499.29/x
  3. Step 3: Cross multiply
    43,079.14x = 64,618.73 × 13,499.29
  4. Step 4: Simplify right side
    43,079.14x = 872,306,847.90
  5. Step 5: Solve for x
    x = 872,306,847.90/43,079.14
  6. Step 6: Final answer
    x = 20,248.94

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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.