Home / 69,821.37-96,354.18-37,990.17

Finding the Fourth Proportional to 69,821.37, 96,354.18 and 37,990.17

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Solution

The fourth proportional to 69,821.37, 96,354.18 and 37,990.17 is: 52,426.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,821.37 : 96,354.18 = 37,990.17 : x
  2. Step 2: Convert to fraction form
    69,821.37/96,354.18 = 37,990.17/x
  3. Step 3: Cross multiply
    69,821.37x = 96,354.18 × 37,990.17
  4. Step 4: Simplify right side
    69,821.37x = 3,660,511,678.41
  5. Step 5: Solve for x
    x = 3,660,511,678.41/69,821.37
  6. Step 6: Final answer
    x = 52,426.81

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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.