Home / 75,427.74-104,078.72-43,590.49

Finding the Fourth Proportional to 75,427.74, 104,078.72 and 43,590.49

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Solution

The fourth proportional to 75,427.74, 104,078.72 and 43,590.49 is: 60,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,427.74 : 104,078.72 = 43,590.49 : x
  2. Step 2: Convert to fraction form
    75,427.74/104,078.72 = 43,590.49/x
  3. Step 3: Cross multiply
    75,427.74x = 104,078.72 × 43,590.49
  4. Step 4: Simplify right side
    75,427.74x = 4,536,842,185.42
  5. Step 5: Solve for x
    x = 4,536,842,185.42/75,427.74
  6. Step 6: Final answer
    x = 60,148.20

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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.