Home / 126,856.86-175,062.69-70,267.02

Finding the Fourth Proportional to 126,856.86, 175,062.69 and 70,267.02

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Solution

The fourth proportional to 126,856.86, 175,062.69 and 70,267.02 is: 96,968.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,856.86 : 175,062.69 = 70,267.02 : x
  2. Step 2: Convert to fraction form
    126,856.86/175,062.69 = 70,267.02/x
  3. Step 3: Cross multiply
    126,856.86x = 175,062.69 × 70,267.02
  4. Step 4: Simplify right side
    126,856.86x = 12,301,133,539.48
  5. Step 5: Solve for x
    x = 12,301,133,539.48/126,856.86
  6. Step 6: Final answer
    x = 96,968.61

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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.