Home / 102,482.18-141,425.60-57,163.10

Finding the Fourth Proportional to 102,482.18, 141,425.60 and 57,163.10

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Solution

The fourth proportional to 102,482.18, 141,425.60 and 57,163.10 is: 78,885.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,482.18 : 141,425.60 = 57,163.10 : x
  2. Step 2: Convert to fraction form
    102,482.18/141,425.60 = 57,163.10/x
  3. Step 3: Cross multiply
    102,482.18x = 141,425.60 × 57,163.10
  4. Step 4: Simplify right side
    102,482.18x = 8,084,324,722.42
  5. Step 5: Solve for x
    x = 8,084,324,722.42/102,482.18
  6. Step 6: Final answer
    x = 78,885.18

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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.