Home / 69,821.14-96,350.28-37,990.18

Finding the Fourth Proportional to 69,821.14, 96,350.28 and 37,990.18

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Solution

The fourth proportional to 69,821.14, 96,350.28 and 37,990.18 is: 52,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,821.14 : 96,350.28 = 37,990.18 : x
  2. Step 2: Convert to fraction form
    69,821.14/96,350.28 = 37,990.18/x
  3. Step 3: Cross multiply
    69,821.14x = 96,350.28 × 37,990.18
  4. Step 4: Simplify right side
    69,821.14x = 3,660,364,480.25
  5. Step 5: Solve for x
    x = 3,660,364,480.25/69,821.14
  6. Step 6: Final answer
    x = 52,424.87

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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.