Home / 87,888.68-131,855.50-25,559.18

Finding the Fourth Proportional to 87,888.68, 131,855.50 and 25,559.18

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Solution

The fourth proportional to 87,888.68, 131,855.50 and 25,559.18 is: 38,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,888.68 : 131,855.50 = 25,559.18 : x
  2. Step 2: Convert to fraction form
    87,888.68/131,855.50 = 25,559.18/x
  3. Step 3: Cross multiply
    87,888.68x = 131,855.50 × 25,559.18
  4. Step 4: Simplify right side
    87,888.68x = 3,370,118,458.49
  5. Step 5: Solve for x
    x = 3,370,118,458.49/87,888.68
  6. Step 6: Final answer
    x = 38,345.31

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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.