Home / 106,432.41-159,500.34-53,780.43

Finding the Fourth Proportional to 106,432.41, 159,500.34 and 53,780.43

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Solution

The fourth proportional to 106,432.41, 159,500.34 and 53,780.43 is: 80,595.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,432.41 : 159,500.34 = 53,780.43 : x
  2. Step 2: Convert to fraction form
    106,432.41/159,500.34 = 53,780.43/x
  3. Step 3: Cross multiply
    106,432.41x = 159,500.34 × 53,780.43
  4. Step 4: Simplify right side
    106,432.41x = 8,577,996,870.35
  5. Step 5: Solve for x
    x = 8,577,996,870.35/106,432.41
  6. Step 6: Final answer
    x = 80,595.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.