Home / 69,002.57-103,430.04-35,689.10

Finding the Fourth Proportional to 69,002.57, 103,430.04 and 35,689.10

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Solution

The fourth proportional to 69,002.57, 103,430.04 and 35,689.10 is: 53,495.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,002.57 : 103,430.04 = 35,689.10 : x
  2. Step 2: Convert to fraction form
    69,002.57/103,430.04 = 35,689.10/x
  3. Step 3: Cross multiply
    69,002.57x = 103,430.04 × 35,689.10
  4. Step 4: Simplify right side
    69,002.57x = 3,691,324,523.41
  5. Step 5: Solve for x
    x = 3,691,324,523.41/69,002.57
  6. Step 6: Final answer
    x = 53,495.47

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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.