Home / 65,204.10-89,984.34-40,061.70

Finding the Fourth Proportional to 65,204.10, 89,984.34 and 40,061.70

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Solution

The fourth proportional to 65,204.10, 89,984.34 and 40,061.70 is: 55,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,204.10 : 89,984.34 = 40,061.70 : x
  2. Step 2: Convert to fraction form
    65,204.10/89,984.34 = 40,061.70/x
  3. Step 3: Cross multiply
    65,204.10x = 89,984.34 × 40,061.70
  4. Step 4: Simplify right side
    65,204.10x = 3,604,925,633.78
  5. Step 5: Solve for x
    x = 3,604,925,633.78/65,204.10
  6. Step 6: Final answer
    x = 55,286.79

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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.