Home / 57,971.32-86,781.92-52,427.27

Finding the Fourth Proportional to 57,971.32, 86,781.92 and 52,427.27

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Solution

The fourth proportional to 57,971.32, 86,781.92 and 52,427.27 is: 78,482.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,971.32 : 86,781.92 = 52,427.27 : x
  2. Step 2: Convert to fraction form
    57,971.32/86,781.92 = 52,427.27/x
  3. Step 3: Cross multiply
    57,971.32x = 86,781.92 × 52,427.27
  4. Step 4: Simplify right side
    57,971.32x = 4,549,739,105.78
  5. Step 5: Solve for x
    x = 4,549,739,105.78/57,971.32
  6. Step 6: Final answer
    x = 78,482.59

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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.