Home / 70,660.18-106,034.82-40,712.86

Finding the Fourth Proportional to 70,660.18, 106,034.82 and 40,712.86

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Solution

The fourth proportional to 70,660.18, 106,034.82 and 40,712.86 is: 61,094.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,660.18 : 106,034.82 = 40,712.86 : x
  2. Step 2: Convert to fraction form
    70,660.18/106,034.82 = 40,712.86/x
  3. Step 3: Cross multiply
    70,660.18x = 106,034.82 × 40,712.86
  4. Step 4: Simplify right side
    70,660.18x = 4,316,980,781.79
  5. Step 5: Solve for x
    x = 4,316,980,781.79/70,660.18
  6. Step 6: Final answer
    x = 61,094.96

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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.