Home / 91,023.46-136,595.92-31,859.13

Finding the Fourth Proportional to 91,023.46, 136,595.92 and 31,859.13

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Solution

The fourth proportional to 91,023.46, 136,595.92 and 31,859.13 is: 47,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,023.46 : 136,595.92 = 31,859.13 : x
  2. Step 2: Convert to fraction form
    91,023.46/136,595.92 = 31,859.13/x
  3. Step 3: Cross multiply
    91,023.46x = 136,595.92 × 31,859.13
  4. Step 4: Simplify right side
    91,023.46x = 4,351,827,172.75
  5. Step 5: Solve for x
    x = 4,351,827,172.75/91,023.46
  6. Step 6: Final answer
    x = 47,809.95

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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.