Home / 75,346.22-113,040.72-61,437.80

Finding the Fourth Proportional to 75,346.22, 113,040.72 and 61,437.80

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Solution

The fourth proportional to 75,346.22, 113,040.72 and 61,437.80 is: 92,174.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,346.22 : 113,040.72 = 61,437.80 : x
  2. Step 2: Convert to fraction form
    75,346.22/113,040.72 = 61,437.80/x
  3. Step 3: Cross multiply
    75,346.22x = 113,040.72 × 61,437.80
  4. Step 4: Simplify right side
    75,346.22x = 6,944,973,147.22
  5. Step 5: Solve for x
    x = 6,944,973,147.22/75,346.22
  6. Step 6: Final answer
    x = 92,174.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.