Home / 86,319.28-119,131.96-48,600.88

Finding the Fourth Proportional to 86,319.28, 119,131.96 and 48,600.88

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Solution

The fourth proportional to 86,319.28, 119,131.96 and 48,600.88 is: 67,075.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,319.28 : 119,131.96 = 48,600.88 : x
  2. Step 2: Convert to fraction form
    86,319.28/119,131.96 = 48,600.88/x
  3. Step 3: Cross multiply
    86,319.28x = 119,131.96 × 48,600.88
  4. Step 4: Simplify right side
    86,319.28x = 5,789,918,092.12
  5. Step 5: Solve for x
    x = 5,789,918,092.12/86,319.28
  6. Step 6: Final answer
    x = 67,075.61

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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.