Home / 69,728.08-104,592.12-28,204.24

Finding the Fourth Proportional to 69,728.08, 104,592.12 and 28,204.24

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Solution

The fourth proportional to 69,728.08, 104,592.12 and 28,204.24 is: 42,306.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,728.08 : 104,592.12 = 28,204.24 : x
  2. Step 2: Convert to fraction form
    69,728.08/104,592.12 = 28,204.24/x
  3. Step 3: Cross multiply
    69,728.08x = 104,592.12 × 28,204.24
  4. Step 4: Simplify right side
    69,728.08x = 2,949,941,254.59
  5. Step 5: Solve for x
    x = 2,949,941,254.59/69,728.08
  6. Step 6: Final answer
    x = 42,306.36

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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.