Home / 105,706.52-145,873.94-57,959.75

Finding the Fourth Proportional to 105,706.52, 145,873.94 and 57,959.75

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Solution

The fourth proportional to 105,706.52, 145,873.94 and 57,959.75 is: 79,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,706.52 : 145,873.94 = 57,959.75 : x
  2. Step 2: Convert to fraction form
    105,706.52/145,873.94 = 57,959.75/x
  3. Step 3: Cross multiply
    105,706.52x = 145,873.94 × 57,959.75
  4. Step 4: Simplify right side
    105,706.52x = 8,454,816,074.75
  5. Step 5: Solve for x
    x = 8,454,816,074.75/105,706.52
  6. Step 6: Final answer
    x = 79,983.87

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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.