Home / 106,290.34-146,680.18-58,543.59

Finding the Fourth Proportional to 106,290.34, 146,680.18 and 58,543.59

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Solution

The fourth proportional to 106,290.34, 146,680.18 and 58,543.59 is: 80,789.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,290.34 : 146,680.18 = 58,543.59 : x
  2. Step 2: Convert to fraction form
    106,290.34/146,680.18 = 58,543.59/x
  3. Step 3: Cross multiply
    106,290.34x = 146,680.18 × 58,543.59
  4. Step 4: Simplify right side
    106,290.34x = 8,587,184,319.05
  5. Step 5: Solve for x
    x = 8,587,184,319.05/106,290.34
  6. Step 6: Final answer
    x = 80,789.88

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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.