Home / 84,077.32-126,140.20-24,914.12

Finding the Fourth Proportional to 84,077.32, 126,140.20 and 24,914.12

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Solution

The fourth proportional to 84,077.32, 126,140.20 and 24,914.12 is: 37,378.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,077.32 : 126,140.20 = 24,914.12 : x
  2. Step 2: Convert to fraction form
    84,077.32/126,140.20 = 24,914.12/x
  3. Step 3: Cross multiply
    84,077.32x = 126,140.20 × 24,914.12
  4. Step 4: Simplify right side
    84,077.32x = 3,142,672,079.62
  5. Step 5: Solve for x
    x = 3,142,672,079.62/84,077.32
  6. Step 6: Final answer
    x = 37,378.36

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1.5x scale

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.