Home / 69,017.40-103,635.45-50,427.90

Finding the Fourth Proportional to 69,017.40, 103,635.45 and 50,427.90

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Solution

The fourth proportional to 69,017.40, 103,635.45 and 50,427.90 is: 75,721.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,017.40 : 103,635.45 = 50,427.90 : x
  2. Step 2: Convert to fraction form
    69,017.40/103,635.45 = 50,427.90/x
  3. Step 3: Cross multiply
    69,017.40x = 103,635.45 × 50,427.90
  4. Step 4: Simplify right side
    69,017.40x = 5,226,118,109.06
  5. Step 5: Solve for x
    x = 5,226,118,109.06/69,017.40
  6. Step 6: Final answer
    x = 75,721.75

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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.