Home / 87,613.93-120,907.27-47,327.69

Finding the Fourth Proportional to 87,613.93, 120,907.27 and 47,327.69

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Solution

The fourth proportional to 87,613.93, 120,907.27 and 47,327.69 is: 65,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,613.93 : 120,907.27 = 47,327.69 : x
  2. Step 2: Convert to fraction form
    87,613.93/120,907.27 = 47,327.69/x
  3. Step 3: Cross multiply
    87,613.93x = 120,907.27 × 47,327.69
  4. Step 4: Simplify right side
    87,613.93x = 5,722,261,323.06
  5. Step 5: Solve for x
    x = 5,722,261,323.06/87,613.93
  6. Step 6: Final answer
    x = 65,312.23

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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.