Home / 65,264.30-90,081.06-40,099.22

Finding the Fourth Proportional to 65,264.30, 90,081.06 and 40,099.22

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Solution

The fourth proportional to 65,264.30, 90,081.06 and 40,099.22 is: 55,346.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,264.30 : 90,081.06 = 40,099.22 : x
  2. Step 2: Convert to fraction form
    65,264.30/90,081.06 = 40,099.22/x
  3. Step 3: Cross multiply
    65,264.30x = 90,081.06 × 40,099.22
  4. Step 4: Simplify right side
    65,264.30x = 3,612,180,205.36
  5. Step 5: Solve for x
    x = 3,612,180,205.36/65,264.30
  6. Step 6: Final answer
    x = 55,346.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.