Home / 86,425.28-119,266.46-50,134.07

Finding the Fourth Proportional to 86,425.28, 119,266.46 and 50,134.07

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Solution

The fourth proportional to 86,425.28, 119,266.46 and 50,134.07 is: 69,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,425.28 : 119,266.46 = 50,134.07 : x
  2. Step 2: Convert to fraction form
    86,425.28/119,266.46 = 50,134.07/x
  3. Step 3: Cross multiply
    86,425.28x = 119,266.46 × 50,134.07
  4. Step 4: Simplify right side
    86,425.28x = 5,979,312,756.13
  5. Step 5: Solve for x
    x = 5,979,312,756.13/86,425.28
  6. Step 6: Final answer
    x = 69,184.76

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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.