Home / 77,615.52-116,433.12-25,023.84

Finding the Fourth Proportional to 77,615.52, 116,433.12 and 25,023.84

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Solution

The fourth proportional to 77,615.52, 116,433.12 and 25,023.84 is: 37,538.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,615.52 : 116,433.12 = 25,023.84 : x
  2. Step 2: Convert to fraction form
    77,615.52/116,433.12 = 25,023.84/x
  3. Step 3: Cross multiply
    77,615.52x = 116,433.12 × 25,023.84
  4. Step 4: Simplify right side
    77,615.52x = 2,913,603,765.58
  5. Step 5: Solve for x
    x = 2,913,603,765.58/77,615.52
  6. Step 6: Final answer
    x = 37,538.93

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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.