Home / 84,192.46-126,109.14-68,113.00

Finding the Fourth Proportional to 84,192.46, 126,109.14 and 68,113.00

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Solution

The fourth proportional to 84,192.46, 126,109.14 and 68,113.00 is: 102,024.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,192.46 : 126,109.14 = 68,113.00 : x
  2. Step 2: Convert to fraction form
    84,192.46/126,109.14 = 68,113.00/x
  3. Step 3: Cross multiply
    84,192.46x = 126,109.14 × 68,113.00
  4. Step 4: Simplify right side
    84,192.46x = 8,589,672,042.38
  5. Step 5: Solve for x
    x = 8,589,672,042.38/84,192.46
  6. Step 6: Final answer
    x = 102,024.24

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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.