Home / 52,221.08-78,343.14-17,159.24

Finding the Fourth Proportional to 52,221.08, 78,343.14 and 17,159.24

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Solution

The fourth proportional to 52,221.08, 78,343.14 and 17,159.24 is: 25,742.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,221.08 : 78,343.14 = 17,159.24 : x
  2. Step 2: Convert to fraction form
    52,221.08/78,343.14 = 17,159.24/x
  3. Step 3: Cross multiply
    52,221.08x = 78,343.14 × 17,159.24
  4. Step 4: Simplify right side
    52,221.08x = 1,344,308,741.61
  5. Step 5: Solve for x
    x = 1,344,308,741.61/52,221.08
  6. Step 6: Final answer
    x = 25,742.65

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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.