Home / 69,278.04-103,944.51-36,019.08

Finding the Fourth Proportional to 69,278.04, 103,944.51 and 36,019.08

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Solution

The fourth proportional to 69,278.04, 103,944.51 and 36,019.08 is: 54,042.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,278.04 : 103,944.51 = 36,019.08 : x
  2. Step 2: Convert to fraction form
    69,278.04/103,944.51 = 36,019.08/x
  3. Step 3: Cross multiply
    69,278.04x = 103,944.51 × 36,019.08
  4. Step 4: Simplify right side
    69,278.04x = 3,743,985,621.25
  5. Step 5: Solve for x
    x = 3,743,985,621.25/69,278.04
  6. Step 6: Final answer
    x = 54,042.89

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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.