Home / 87,681.07-131,543.48-25,351.57

Finding the Fourth Proportional to 87,681.07, 131,543.48 and 25,351.57

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Solution

The fourth proportional to 87,681.07, 131,543.48 and 25,351.57 is: 38,033.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,681.07 : 131,543.48 = 25,351.57 : x
  2. Step 2: Convert to fraction form
    87,681.07/131,543.48 = 25,351.57/x
  3. Step 3: Cross multiply
    87,681.07x = 131,543.48 × 25,351.57
  4. Step 4: Simplify right side
    87,681.07x = 3,334,833,741.26
  5. Step 5: Solve for x
    x = 3,334,833,741.26/87,681.07
  6. Step 6: Final answer
    x = 38,033.68

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1.5x scale

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.