Home / 60,824.70-83,895.84-55,805.54

Finding the Fourth Proportional to 60,824.70, 83,895.84 and 55,805.54

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Solution

The fourth proportional to 60,824.70, 83,895.84 and 55,805.54 is: 76,972.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,824.70 : 83,895.84 = 55,805.54 : x
  2. Step 2: Convert to fraction form
    60,824.70/83,895.84 = 55,805.54/x
  3. Step 3: Cross multiply
    60,824.70x = 83,895.84 × 55,805.54
  4. Step 4: Simplify right side
    60,824.70x = 4,681,852,235.47
  5. Step 5: Solve for x
    x = 4,681,852,235.47/60,824.70
  6. Step 6: Final answer
    x = 76,972.88

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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.