Home / 80,664.46-111,159.75-60,544.06

Finding the Fourth Proportional to 80,664.46, 111,159.75 and 60,544.06

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Solution

The fourth proportional to 80,664.46, 111,159.75 and 60,544.06 is: 83,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,664.46 : 111,159.75 = 60,544.06 : x
  2. Step 2: Convert to fraction form
    80,664.46/111,159.75 = 60,544.06/x
  3. Step 3: Cross multiply
    80,664.46x = 111,159.75 × 60,544.06
  4. Step 4: Simplify right side
    80,664.46x = 6,730,062,573.59
  5. Step 5: Solve for x
    x = 6,730,062,573.59/80,664.46
  6. Step 6: Final answer
    x = 83,432.81

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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.