Home / 126,070.52-173,977.38-68,709.87

Finding the Fourth Proportional to 126,070.52, 173,977.38 and 68,709.87

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Solution

The fourth proportional to 126,070.52, 173,977.38 and 68,709.87 is: 94,819.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,070.52 : 173,977.38 = 68,709.87 : x
  2. Step 2: Convert to fraction form
    126,070.52/173,977.38 = 68,709.87/x
  3. Step 3: Cross multiply
    126,070.52x = 173,977.38 × 68,709.87
  4. Step 4: Simplify right side
    126,070.52x = 11,953,963,162.74
  5. Step 5: Solve for x
    x = 11,953,963,162.74/126,070.52
  6. Step 6: Final answer
    x = 94,819.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.