Home / 84,460.20-126,836.10-45,094.20

Finding the Fourth Proportional to 84,460.20, 126,836.10 and 45,094.20

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Solution

The fourth proportional to 84,460.20, 126,836.10 and 45,094.20 is: 67,719.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,460.20 : 126,836.10 = 45,094.20 : x
  2. Step 2: Convert to fraction form
    84,460.20/126,836.10 = 45,094.20/x
  3. Step 3: Cross multiply
    84,460.20x = 126,836.10 × 45,094.20
  4. Step 4: Simplify right side
    84,460.20x = 5,719,572,460.62
  5. Step 5: Solve for x
    x = 5,719,572,460.62/84,460.20
  6. Step 6: Final answer
    x = 67,719.14

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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.