Home / 69,079.20-103,618.80-24,707.40

Finding the Fourth Proportional to 69,079.20, 103,618.80 and 24,707.40

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Solution

The fourth proportional to 69,079.20, 103,618.80 and 24,707.40 is: 37,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,079.20 : 103,618.80 = 24,707.40 : x
  2. Step 2: Convert to fraction form
    69,079.20/103,618.80 = 24,707.40/x
  3. Step 3: Cross multiply
    69,079.20x = 103,618.80 × 24,707.40
  4. Step 4: Simplify right side
    69,079.20x = 2,560,151,139.12
  5. Step 5: Solve for x
    x = 2,560,151,139.12/69,079.20
  6. Step 6: Final answer
    x = 37,061.10

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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.