Home / 69,079.20-103,618.56-29,610.72

Finding the Fourth Proportional to 69,079.20, 103,618.56 and 29,610.72

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Solution

The fourth proportional to 69,079.20, 103,618.56 and 29,610.72 is: 44,415.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,079.20 : 103,618.56 = 29,610.72 : x
  2. Step 2: Convert to fraction form
    69,079.20/103,618.56 = 29,610.72/x
  3. Step 3: Cross multiply
    69,079.20x = 103,618.56 × 29,610.72
  4. Step 4: Simplify right side
    69,079.20x = 3,068,220,166.96
  5. Step 5: Solve for x
    x = 3,068,220,166.96/69,079.20
  6. Step 6: Final answer
    x = 44,415.98

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1.5x scale

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.