Home / 106,977.20-147,633.15-59,230.55

Finding the Fourth Proportional to 106,977.20, 147,633.15 and 59,230.55

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Solution

The fourth proportional to 106,977.20, 147,633.15 and 59,230.55 is: 81,740.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,977.20 : 147,633.15 = 59,230.55 : x
  2. Step 2: Convert to fraction form
    106,977.20/147,633.15 = 59,230.55/x
  3. Step 3: Cross multiply
    106,977.20x = 147,633.15 × 59,230.55
  4. Step 4: Simplify right side
    106,977.20x = 8,744,392,820.81
  5. Step 5: Solve for x
    x = 8,744,392,820.81/106,977.20
  6. Step 6: Final answer
    x = 81,740.71

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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.