Home / 83,028.72-114,580.08-45,303.78

Finding the Fourth Proportional to 83,028.72, 114,580.08 and 45,303.78

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Solution

The fourth proportional to 83,028.72, 114,580.08 and 45,303.78 is: 62,519.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,028.72 : 114,580.08 = 45,303.78 : x
  2. Step 2: Convert to fraction form
    83,028.72/114,580.08 = 45,303.78/x
  3. Step 3: Cross multiply
    83,028.72x = 114,580.08 × 45,303.78
  4. Step 4: Simplify right side
    83,028.72x = 5,190,910,736.70
  5. Step 5: Solve for x
    x = 5,190,910,736.70/83,028.72
  6. Step 6: Final answer
    x = 62,519.46

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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.