Home / 73,780.57-110,643.73-26,382.81

Finding the Fourth Proportional to 73,780.57, 110,643.73 and 26,382.81

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Solution

The fourth proportional to 73,780.57, 110,643.73 and 26,382.81 is: 39,564.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,780.57 : 110,643.73 = 26,382.81 : x
  2. Step 2: Convert to fraction form
    73,780.57/110,643.73 = 26,382.81/x
  3. Step 3: Cross multiply
    73,780.57x = 110,643.73 × 26,382.81
  4. Step 4: Simplify right side
    73,780.57x = 2,919,092,506.28
  5. Step 5: Solve for x
    x = 2,919,092,506.28/73,780.57
  6. Step 6: Final answer
    x = 39,564.52

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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.