Home / 109,480.05-151,095.93-61,732.44

Finding the Fourth Proportional to 109,480.05, 151,095.93 and 61,732.44

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Solution

The fourth proportional to 109,480.05, 151,095.93 and 61,732.44 is: 85,198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,480.05 : 151,095.93 = 61,732.44 : x
  2. Step 2: Convert to fraction form
    109,480.05/151,095.93 = 61,732.44/x
  3. Step 3: Cross multiply
    109,480.05x = 151,095.93 × 61,732.44
  4. Step 4: Simplify right side
    109,480.05x = 9,327,520,432.97
  5. Step 5: Solve for x
    x = 9,327,520,432.97/109,480.05
  6. Step 6: Final answer
    x = 85,198.36

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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.