Home / 106,318.65-146,720.85-58,573.71

Finding the Fourth Proportional to 106,318.65, 146,720.85 and 58,573.71

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Solution

The fourth proportional to 106,318.65, 146,720.85 and 58,573.71 is: 80,832.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,318.65 : 146,720.85 = 58,573.71 : x
  2. Step 2: Convert to fraction form
    106,318.65/146,720.85 = 58,573.71/x
  3. Step 3: Cross multiply
    106,318.65x = 146,720.85 × 58,573.71
  4. Step 4: Simplify right side
    106,318.65x = 8,593,984,518.85
  5. Step 5: Solve for x
    x = 8,593,984,518.85/106,318.65
  6. Step 6: Final answer
    x = 80,832.33

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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.