Home / 84,622.71-126,809.28-47,131.14

Finding the Fourth Proportional to 84,622.71, 126,809.28 and 47,131.14

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Solution

The fourth proportional to 84,622.71, 126,809.28 and 47,131.14 is: 70,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,622.71 : 126,809.28 = 47,131.14 : x
  2. Step 2: Convert to fraction form
    84,622.71/126,809.28 = 47,131.14/x
  3. Step 3: Cross multiply
    84,622.71x = 126,809.28 × 47,131.14
  4. Step 4: Simplify right side
    84,622.71x = 5,976,665,928.98
  5. Step 5: Solve for x
    x = 5,976,665,928.98/84,622.71
  6. Step 6: Final answer
    x = 70,627.21

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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.