Home / 103,966.71-143,470.83-58,644.03

Finding the Fourth Proportional to 103,966.71, 143,470.83 and 58,644.03

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Solution

The fourth proportional to 103,966.71, 143,470.83 and 58,644.03 is: 80,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,966.71 : 143,470.83 = 58,644.03 : x
  2. Step 2: Convert to fraction form
    103,966.71/143,470.83 = 58,644.03/x
  3. Step 3: Cross multiply
    103,966.71x = 143,470.83 × 58,644.03
  4. Step 4: Simplify right side
    103,966.71x = 8,413,707,658.64
  5. Step 5: Solve for x
    x = 8,413,707,658.64/103,966.71
  6. Step 6: Final answer
    x = 80,926.94

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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.