Home / 85,623.28-118,160.46-47,897.56

Finding the Fourth Proportional to 85,623.28, 118,160.46 and 47,897.56

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Solution

The fourth proportional to 85,623.28, 118,160.46 and 47,897.56 is: 66,098.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,623.28 : 118,160.46 = 47,897.56 : x
  2. Step 2: Convert to fraction form
    85,623.28/118,160.46 = 47,897.56/x
  3. Step 3: Cross multiply
    85,623.28x = 118,160.46 × 47,897.56
  4. Step 4: Simplify right side
    85,623.28x = 5,659,597,722.48
  5. Step 5: Solve for x
    x = 5,659,597,722.48/85,623.28
  6. Step 6: Final answer
    x = 66,098.82

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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.