Home / 102,236.75-141,089.85-55,672.70

Finding the Fourth Proportional to 102,236.75, 141,089.85 and 55,672.70

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Solution

The fourth proportional to 102,236.75, 141,089.85 and 55,672.70 is: 76,830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,236.75 : 141,089.85 = 55,672.70 : x
  2. Step 2: Convert to fraction form
    102,236.75/141,089.85 = 55,672.70/x
  3. Step 3: Cross multiply
    102,236.75x = 141,089.85 × 55,672.70
  4. Step 4: Simplify right side
    102,236.75x = 7,854,852,892.10
  5. Step 5: Solve for x
    x = 7,854,852,892.10/102,236.75
  6. Step 6: Final answer
    x = 76,830.03

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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.