Home / 69,982.38-104,973.15-25,612.20

Finding the Fourth Proportional to 69,982.38, 104,973.15 and 25,612.20

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Solution

The fourth proportional to 69,982.38, 104,973.15 and 25,612.20 is: 38,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,982.38 : 104,973.15 = 25,612.20 : x
  2. Step 2: Convert to fraction form
    69,982.38/104,973.15 = 25,612.20/x
  3. Step 3: Cross multiply
    69,982.38x = 104,973.15 × 25,612.20
  4. Step 4: Simplify right side
    69,982.38x = 2,688,593,312.43
  5. Step 5: Solve for x
    x = 2,688,593,312.43/69,982.38
  6. Step 6: Final answer
    x = 38,418.15

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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.