Home / 65,581.20-98,223.80-45,947.39

Finding the Fourth Proportional to 65,581.20, 98,223.80 and 45,947.39

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Solution

The fourth proportional to 65,581.20, 98,223.80 and 45,947.39 is: 68,817.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,581.20 : 98,223.80 = 45,947.39 : x
  2. Step 2: Convert to fraction form
    65,581.20/98,223.80 = 45,947.39/x
  3. Step 3: Cross multiply
    65,581.20x = 98,223.80 × 45,947.39
  4. Step 4: Simplify right side
    65,581.20x = 4,513,126,525.03
  5. Step 5: Solve for x
    x = 4,513,126,525.03/65,581.20
  6. Step 6: Final answer
    x = 68,817.38

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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.