Home / 126,793.08-174,984.30-70,209.72

Finding the Fourth Proportional to 126,793.08, 174,984.30 and 70,209.72

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Solution

The fourth proportional to 126,793.08, 174,984.30 and 70,209.72 is: 96,894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,793.08 : 174,984.30 = 70,209.72 : x
  2. Step 2: Convert to fraction form
    126,793.08/174,984.30 = 70,209.72/x
  3. Step 3: Cross multiply
    126,793.08x = 174,984.30 × 70,209.72
  4. Step 4: Simplify right side
    126,793.08x = 12,285,598,707.40
  5. Step 5: Solve for x
    x = 12,285,598,707.40/126,793.08
  6. Step 6: Final answer
    x = 96,894.87

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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.