Home / 85,571.73-118,060.20-55,395.18

Finding the Fourth Proportional to 85,571.73, 118,060.20 and 55,395.18

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Solution

The fourth proportional to 85,571.73, 118,060.20 and 55,395.18 is: 76,426.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,571.73 : 118,060.20 = 55,395.18 : x
  2. Step 2: Convert to fraction form
    85,571.73/118,060.20 = 55,395.18/x
  3. Step 3: Cross multiply
    85,571.73x = 118,060.20 × 55,395.18
  4. Step 4: Simplify right side
    85,571.73x = 6,539,966,029.84
  5. Step 5: Solve for x
    x = 6,539,966,029.84/85,571.73
  6. Step 6: Final answer
    x = 76,426.71

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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.