Home / 94,181.76-141,141.28-70,780.80

Finding the Fourth Proportional to 94,181.76, 141,141.28 and 70,780.80

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Solution

The fourth proportional to 94,181.76, 141,141.28 and 70,780.80 is: 106,072.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,181.76 : 141,141.28 = 70,780.80 : x
  2. Step 2: Convert to fraction form
    94,181.76/141,141.28 = 70,780.80/x
  3. Step 3: Cross multiply
    94,181.76x = 141,141.28 × 70,780.80
  4. Step 4: Simplify right side
    94,181.76x = 9,990,092,711.42
  5. Step 5: Solve for x
    x = 9,990,092,711.42/94,181.76
  6. Step 6: Final answer
    x = 106,072.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.