Home / 86,883.20-119,899.20-49,164.80

Finding the Fourth Proportional to 86,883.20, 119,899.20 and 49,164.80

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Solution

The fourth proportional to 86,883.20, 119,899.20 and 49,164.80 is: 67,847.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,883.20 : 119,899.20 = 49,164.80 : x
  2. Step 2: Convert to fraction form
    86,883.20/119,899.20 = 49,164.80/x
  3. Step 3: Cross multiply
    86,883.20x = 119,899.20 × 49,164.80
  4. Step 4: Simplify right side
    86,883.20x = 5,894,820,188.16
  5. Step 5: Solve for x
    x = 5,894,820,188.16/86,883.20
  6. Step 6: Final answer
    x = 67,847.64

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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.