Home / 69,135.86-103,617.50-29,647.16

Finding the Fourth Proportional to 69,135.86, 103,617.50 and 29,647.16

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Solution

The fourth proportional to 69,135.86, 103,617.50 and 29,647.16 is: 44,433.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,135.86 : 103,617.50 = 29,647.16 : x
  2. Step 2: Convert to fraction form
    69,135.86/103,617.50 = 29,647.16/x
  3. Step 3: Cross multiply
    69,135.86x = 103,617.50 × 29,647.16
  4. Step 4: Simplify right side
    69,135.86x = 3,071,964,601.30
  5. Step 5: Solve for x
    x = 3,071,964,601.30/69,135.86
  6. Step 6: Final answer
    x = 44,433.74

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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.