Home / 69,685.21-96,151.44-42,443.02

Finding the Fourth Proportional to 69,685.21, 96,151.44 and 42,443.02

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Solution

The fourth proportional to 69,685.21, 96,151.44 and 42,443.02 is: 58,562.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,685.21 : 96,151.44 = 42,443.02 : x
  2. Step 2: Convert to fraction form
    69,685.21/96,151.44 = 42,443.02/x
  3. Step 3: Cross multiply
    69,685.21x = 96,151.44 × 42,443.02
  4. Step 4: Simplify right side
    69,685.21x = 4,080,957,490.95
  5. Step 5: Solve for x
    x = 4,080,957,490.95/69,685.21
  6. Step 6: Final answer
    x = 58,562.75

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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.