Home / 86,502.27-119,376.68-54,659.55

Finding the Fourth Proportional to 86,502.27, 119,376.68 and 54,659.55

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Solution

The fourth proportional to 86,502.27, 119,376.68 and 54,659.55 is: 75,432.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,502.27 : 119,376.68 = 54,659.55 : x
  2. Step 2: Convert to fraction form
    86,502.27/119,376.68 = 54,659.55/x
  3. Step 3: Cross multiply
    86,502.27x = 119,376.68 × 54,659.55
  4. Step 4: Simplify right side
    86,502.27x = 6,525,075,609.29
  5. Step 5: Solve for x
    x = 6,525,075,609.29/86,502.27
  6. Step 6: Final answer
    x = 75,432.42

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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.