Home / 115,440.24-159,334.07-67,708.97

Finding the Fourth Proportional to 115,440.24, 159,334.07 and 67,708.97

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Solution

The fourth proportional to 115,440.24, 159,334.07 and 67,708.97 is: 93,453.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,440.24 : 159,334.07 = 67,708.97 : x
  2. Step 2: Convert to fraction form
    115,440.24/159,334.07 = 67,708.97/x
  3. Step 3: Cross multiply
    115,440.24x = 159,334.07 × 67,708.97
  4. Step 4: Simplify right side
    115,440.24x = 10,788,345,765.61
  5. Step 5: Solve for x
    x = 10,788,345,765.61/115,440.24
  6. Step 6: Final answer
    x = 93,453.94

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1.5x scale

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.