Home / 106,981.29-160,419.98-53,650.40

Finding the Fourth Proportional to 106,981.29, 160,419.98 and 53,650.40

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Solution

The fourth proportional to 106,981.29, 160,419.98 and 53,650.40 is: 80,449.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,981.29 : 160,419.98 = 53,650.40 : x
  2. Step 2: Convert to fraction form
    106,981.29/160,419.98 = 53,650.40/x
  3. Step 3: Cross multiply
    106,981.29x = 160,419.98 × 53,650.40
  4. Step 4: Simplify right side
    106,981.29x = 8,606,595,427.02
  5. Step 5: Solve for x
    x = 8,606,595,427.02/106,981.29
  6. Step 6: Final answer
    x = 80,449.54

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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.