Home / 107,321.16-160,981.61-40,761.17

Finding the Fourth Proportional to 107,321.16, 160,981.61 and 40,761.17

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Solution

The fourth proportional to 107,321.16, 160,981.61 and 40,761.17 is: 61,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,321.16 : 160,981.61 = 40,761.17 : x
  2. Step 2: Convert to fraction form
    107,321.16/160,981.61 = 40,761.17/x
  3. Step 3: Cross multiply
    107,321.16x = 160,981.61 × 40,761.17
  4. Step 4: Simplify right side
    107,321.16x = 6,561,797,763.37
  5. Step 5: Solve for x
    x = 6,561,797,763.37/107,321.16
  6. Step 6: Final answer
    x = 61,141.70

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1.5x scale

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.