Home / 106,959.05-147,560.28-61,612.73

Finding the Fourth Proportional to 106,959.05, 147,560.28 and 61,612.73

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Solution

The fourth proportional to 106,959.05, 147,560.28 and 61,612.73 is: 85,000.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,959.05 : 147,560.28 = 61,612.73 : x
  2. Step 2: Convert to fraction form
    106,959.05/147,560.28 = 61,612.73/x
  3. Step 3: Cross multiply
    106,959.05x = 147,560.28 × 61,612.73
  4. Step 4: Simplify right side
    106,959.05x = 9,091,591,690.36
  5. Step 5: Solve for x
    x = 9,091,591,690.36/106,959.05
  6. Step 6: Final answer
    x = 85,000.68

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1.5x scale

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.