Home / 103,734.81-143,152.52-58,412.88

Finding the Fourth Proportional to 103,734.81, 143,152.52 and 58,412.88

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Solution

The fourth proportional to 103,734.81, 143,152.52 and 58,412.88 is: 80,608.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,734.81 : 143,152.52 = 58,412.88 : x
  2. Step 2: Convert to fraction form
    103,734.81/143,152.52 = 58,412.88/x
  3. Step 3: Cross multiply
    103,734.81x = 143,152.52 × 58,412.88
  4. Step 4: Simplify right side
    103,734.81x = 8,361,950,680.39
  5. Step 5: Solve for x
    x = 8,361,950,680.39/103,734.81
  6. Step 6: Final answer
    x = 80,608.92

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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.