Home / 106,913.64-160,423.92-47,791.74

Finding the Fourth Proportional to 106,913.64, 160,423.92 and 47,791.74

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Solution

The fourth proportional to 106,913.64, 160,423.92 and 47,791.74 is: 71,711.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,913.64 : 160,423.92 = 47,791.74 : x
  2. Step 2: Convert to fraction form
    106,913.64/160,423.92 = 47,791.74/x
  3. Step 3: Cross multiply
    106,913.64x = 160,423.92 × 47,791.74
  4. Step 4: Simplify right side
    106,913.64x = 7,666,938,274.42
  5. Step 5: Solve for x
    x = 7,666,938,274.42/106,913.64
  6. Step 6: Final answer
    x = 71,711.51

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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.