Home / 43,098.78-64,716.21-25,646.52

Finding the Fourth Proportional to 43,098.78, 64,716.21 and 25,646.52

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Solution

The fourth proportional to 43,098.78, 64,716.21 and 25,646.52 is: 38,510.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,098.78 : 64,716.21 = 25,646.52 : x
  2. Step 2: Convert to fraction form
    43,098.78/64,716.21 = 25,646.52/x
  3. Step 3: Cross multiply
    43,098.78x = 64,716.21 × 25,646.52
  4. Step 4: Simplify right side
    43,098.78x = 1,659,745,574.09
  5. Step 5: Solve for x
    x = 1,659,745,574.09/43,098.78
  6. Step 6: Final answer
    x = 38,510.27

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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.