Home / 69,949.60-96,530.30-38,118.42

Finding the Fourth Proportional to 69,949.60, 96,530.30 and 38,118.42

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Solution

The fourth proportional to 69,949.60, 96,530.30 and 38,118.42 is: 52,603.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,949.60 : 96,530.30 = 38,118.42 : x
  2. Step 2: Convert to fraction form
    69,949.60/96,530.30 = 38,118.42/x
  3. Step 3: Cross multiply
    69,949.60x = 96,530.30 × 38,118.42
  4. Step 4: Simplify right side
    69,949.60x = 3,679,582,470.48
  5. Step 5: Solve for x
    x = 3,679,582,470.48/69,949.60
  6. Step 6: Final answer
    x = 52,603.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.