Home / 86,352.28-129,289.21-44,141.46

Finding the Fourth Proportional to 86,352.28, 129,289.21 and 44,141.46

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Solution

The fourth proportional to 86,352.28, 129,289.21 and 44,141.46 is: 66,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,352.28 : 129,289.21 = 44,141.46 : x
  2. Step 2: Convert to fraction form
    86,352.28/129,289.21 = 44,141.46/x
  3. Step 3: Cross multiply
    86,352.28x = 129,289.21 × 44,141.46
  4. Step 4: Simplify right side
    86,352.28x = 5,707,014,144.75
  5. Step 5: Solve for x
    x = 5,707,014,144.75/86,352.28
  6. Step 6: Final answer
    x = 66,089.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.