Home / 91,483.75-137,244.84-31,517.66

Finding the Fourth Proportional to 91,483.75, 137,244.84 and 31,517.66

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Solution

The fourth proportional to 91,483.75, 137,244.84 and 31,517.66 is: 47,283.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,483.75 : 137,244.84 = 31,517.66 : x
  2. Step 2: Convert to fraction form
    91,483.75/137,244.84 = 31,517.66/x
  3. Step 3: Cross multiply
    91,483.75x = 137,244.84 × 31,517.66
  4. Step 4: Simplify right side
    91,483.75x = 4,325,636,312.65
  5. Step 5: Solve for x
    x = 4,325,636,312.65/91,483.75
  6. Step 6: Final answer
    x = 47,283.11

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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.