Home / 86,419.16-119,268.06-54,586.52

Finding the Fourth Proportional to 86,419.16, 119,268.06 and 54,586.52

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Solution

The fourth proportional to 86,419.16, 119,268.06 and 54,586.52 is: 75,335.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,419.16 : 119,268.06 = 54,586.52 : x
  2. Step 2: Convert to fraction form
    86,419.16/119,268.06 = 54,586.52/x
  3. Step 3: Cross multiply
    86,419.16x = 119,268.06 × 54,586.52
  4. Step 4: Simplify right side
    86,419.16x = 6,510,428,342.55
  5. Step 5: Solve for x
    x = 6,510,428,342.55/86,419.16
  6. Step 6: Final answer
    x = 75,335.47

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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.