Home / 69,331.83-103,934.75-36,012.87

Finding the Fourth Proportional to 69,331.83, 103,934.75 and 36,012.87

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Solution

The fourth proportional to 69,331.83, 103,934.75 and 36,012.87 is: 53,986.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,331.83 : 103,934.75 = 36,012.87 : x
  2. Step 2: Convert to fraction form
    69,331.83/103,934.75 = 36,012.87/x
  3. Step 3: Cross multiply
    69,331.83x = 103,934.75 × 36,012.87
  4. Step 4: Simplify right side
    69,331.83x = 3,742,988,460.17
  5. Step 5: Solve for x
    x = 3,742,988,460.17/69,331.83
  6. Step 6: Final answer
    x = 53,986.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.