Home / 75,277.66-103,853.50-43,440.40

Finding the Fourth Proportional to 75,277.66, 103,853.50 and 43,440.40

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Solution

The fourth proportional to 75,277.66, 103,853.50 and 43,440.40 is: 59,930.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,277.66 : 103,853.50 = 43,440.40 : x
  2. Step 2: Convert to fraction form
    75,277.66/103,853.50 = 43,440.40/x
  3. Step 3: Cross multiply
    75,277.66x = 103,853.50 × 43,440.40
  4. Step 4: Simplify right side
    75,277.66x = 4,511,437,581.40
  5. Step 5: Solve for x
    x = 4,511,437,581.40/75,277.66
  6. Step 6: Final answer
    x = 59,930.63

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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.