Home / 57,531.75-79,395.03-32,381.25

Finding the Fourth Proportional to 57,531.75, 79,395.03 and 32,381.25

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Solution

The fourth proportional to 57,531.75, 79,395.03 and 32,381.25 is: 44,686.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,531.75 : 79,395.03 = 32,381.25 : x
  2. Step 2: Convert to fraction form
    57,531.75/79,395.03 = 32,381.25/x
  3. Step 3: Cross multiply
    57,531.75x = 79,395.03 × 32,381.25
  4. Step 4: Simplify right side
    57,531.75x = 2,570,910,315.19
  5. Step 5: Solve for x
    x = 2,570,910,315.19/57,531.75
  6. Step 6: Final answer
    x = 44,686.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.