Home / 107,130.88-160,795.68-54,579.72

Finding the Fourth Proportional to 107,130.88, 160,795.68 and 54,579.72

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Solution

The fourth proportional to 107,130.88, 160,795.68 and 54,579.72 is: 81,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,130.88 : 160,795.68 = 54,579.72 : x
  2. Step 2: Convert to fraction form
    107,130.88/160,795.68 = 54,579.72/x
  3. Step 3: Cross multiply
    107,130.88x = 160,795.68 × 54,579.72
  4. Step 4: Simplify right side
    107,130.88x = 8,776,183,191.61
  5. Step 5: Solve for x
    x = 8,776,183,191.61/107,130.88
  6. Step 6: Final answer
    x = 81,920.20

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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.