Home / 65,633.20-98,522.70-40,701.40

Finding the Fourth Proportional to 65,633.20, 98,522.70 and 40,701.40

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Solution

The fourth proportional to 65,633.20, 98,522.70 and 40,701.40 is: 61,097.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,633.20 : 98,522.70 = 40,701.40 : x
  2. Step 2: Convert to fraction form
    65,633.20/98,522.70 = 40,701.40/x
  3. Step 3: Cross multiply
    65,633.20x = 98,522.70 × 40,701.40
  4. Step 4: Simplify right side
    65,633.20x = 4,010,011,821.78
  5. Step 5: Solve for x
    x = 4,010,011,821.78/65,633.20
  6. Step 6: Final answer
    x = 61,097.31

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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.