Home / 69,983.13-96,574.28-38,151.39

Finding the Fourth Proportional to 69,983.13, 96,574.28 and 38,151.39

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Solution

The fourth proportional to 69,983.13, 96,574.28 and 38,151.39 is: 52,647.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,983.13 : 96,574.28 = 38,151.39 : x
  2. Step 2: Convert to fraction form
    69,983.13/96,574.28 = 38,151.39/x
  3. Step 3: Cross multiply
    69,983.13x = 96,574.28 × 38,151.39
  4. Step 4: Simplify right side
    69,983.13x = 3,684,442,829.49
  5. Step 5: Solve for x
    x = 3,684,442,829.49/69,983.13
  6. Step 6: Final answer
    x = 52,647.59

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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.