Home / 60,940.20-84,133.80-38,298.36

Finding the Fourth Proportional to 60,940.20, 84,133.80 and 38,298.36

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Solution

The fourth proportional to 60,940.20, 84,133.80 and 38,298.36 is: 52,874.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,940.20 : 84,133.80 = 38,298.36 : x
  2. Step 2: Convert to fraction form
    60,940.20/84,133.80 = 38,298.36/x
  3. Step 3: Cross multiply
    60,940.20x = 84,133.80 × 38,298.36
  4. Step 4: Simplify right side
    60,940.20x = 3,222,186,560.57
  5. Step 5: Solve for x
    x = 3,222,186,560.57/60,940.20
  6. Step 6: Final answer
    x = 52,874.56

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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.