Home / 91,014.29-136,582.91-31,850.46

Finding the Fourth Proportional to 91,014.29, 136,582.91 and 31,850.46

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Solution

The fourth proportional to 91,014.29, 136,582.91 and 31,850.46 is: 47,797.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,014.29 : 136,582.91 = 31,850.46 : x
  2. Step 2: Convert to fraction form
    91,014.29/136,582.91 = 31,850.46/x
  3. Step 3: Cross multiply
    91,014.29x = 136,582.91 × 31,850.46
  4. Step 4: Simplify right side
    91,014.29x = 4,350,228,352.39
  5. Step 5: Solve for x
    x = 4,350,228,352.39/91,014.29
  6. Step 6: Final answer
    x = 47,797.20

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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.