Home / 75,277.02-103,852.64-43,439.78

Finding the Fourth Proportional to 75,277.02, 103,852.64 and 43,439.78

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Solution

The fourth proportional to 75,277.02, 103,852.64 and 43,439.78 is: 59,929.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,277.02 : 103,852.64 = 43,439.78 : x
  2. Step 2: Convert to fraction form
    75,277.02/103,852.64 = 43,439.78/x
  3. Step 3: Cross multiply
    75,277.02x = 103,852.64 × 43,439.78
  4. Step 4: Simplify right side
    75,277.02x = 4,511,335,834.02
  5. Step 5: Solve for x
    x = 4,511,335,834.02/75,277.02
  6. Step 6: Final answer
    x = 59,929.79

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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.