Home / 57,400.08-86,100.28-17,419.39

Finding the Fourth Proportional to 57,400.08, 86,100.28 and 17,419.39

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Solution

The fourth proportional to 57,400.08, 86,100.28 and 17,419.39 is: 26,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,400.08 : 86,100.28 = 17,419.39 : x
  2. Step 2: Convert to fraction form
    57,400.08/86,100.28 = 17,419.39/x
  3. Step 3: Cross multiply
    57,400.08x = 86,100.28 × 17,419.39
  4. Step 4: Simplify right side
    57,400.08x = 1,499,814,195.61
  5. Step 5: Solve for x
    x = 1,499,814,195.61/57,400.08
  6. Step 6: Final answer
    x = 26,129.13

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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.