Home / 126,629.52-189,888.96-60,088.68

Finding the Fourth Proportional to 126,629.52, 189,888.96 and 60,088.68

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Solution

The fourth proportional to 126,629.52, 189,888.96 and 60,088.68 is: 90,106.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,629.52 : 189,888.96 = 60,088.68 : x
  2. Step 2: Convert to fraction form
    126,629.52/189,888.96 = 60,088.68/x
  3. Step 3: Cross multiply
    126,629.52x = 189,888.96 × 60,088.68
  4. Step 4: Simplify right side
    126,629.52x = 11,410,176,952.97
  5. Step 5: Solve for x
    x = 11,410,176,952.97/126,629.52
  6. Step 6: Final answer
    x = 90,106.77

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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.