Home / 84,505.50-126,674.34-47,082.66

Finding the Fourth Proportional to 84,505.50, 126,674.34 and 47,082.66

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Solution

The fourth proportional to 84,505.50, 126,674.34 and 47,082.66 is: 70,577.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,505.50 : 126,674.34 = 47,082.66 : x
  2. Step 2: Convert to fraction form
    84,505.50/126,674.34 = 47,082.66/x
  3. Step 3: Cross multiply
    84,505.50x = 126,674.34 × 47,082.66
  4. Step 4: Simplify right side
    84,505.50x = 5,964,164,880.94
  5. Step 5: Solve for x
    x = 5,964,164,880.94/84,505.50
  6. Step 6: Final answer
    x = 70,577.24

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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.