Home / 87,587.56-120,832.44-53,597.68

Finding the Fourth Proportional to 87,587.56, 120,832.44 and 53,597.68

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Solution

The fourth proportional to 87,587.56, 120,832.44 and 53,597.68 is: 73,941.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,587.56 : 120,832.44 = 53,597.68 : x
  2. Step 2: Convert to fraction form
    87,587.56/120,832.44 = 53,597.68/x
  3. Step 3: Cross multiply
    87,587.56x = 120,832.44 × 53,597.68
  4. Step 4: Simplify right side
    87,587.56x = 6,476,338,452.74
  5. Step 5: Solve for x
    x = 6,476,338,452.74/87,587.56
  6. Step 6: Final answer
    x = 73,941.30

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1.5x scale

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.