Home / 75,516-104,101.92-52,784.20

Finding the Fourth Proportional to 75,516, 104,101.92 and 52,784.20

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Solution

The fourth proportional to 75,516, 104,101.92 and 52,784.20 is: 72,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,516 : 104,101.92 = 52,784.20 : x
  2. Step 2: Convert to fraction form
    75,516/104,101.92 = 52,784.20/x
  3. Step 3: Cross multiply
    75,516x = 104,101.92 × 52,784.20
  4. Step 4: Simplify right side
    75,516x = 5,494,936,565.66
  5. Step 5: Solve for x
    x = 5,494,936,565.66/75,516
  6. Step 6: Final answer
    x = 72,765.20

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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.