Home / 77,897.18-116,798.97-30,455.75

Finding the Fourth Proportional to 77,897.18, 116,798.97 and 30,455.75

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Solution

The fourth proportional to 77,897.18, 116,798.97 and 30,455.75 is: 45,665.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,897.18 : 116,798.97 = 30,455.75 : x
  2. Step 2: Convert to fraction form
    77,897.18/116,798.97 = 30,455.75/x
  3. Step 3: Cross multiply
    77,897.18x = 116,798.97 × 30,455.75
  4. Step 4: Simplify right side
    77,897.18x = 3,557,200,230.58
  5. Step 5: Solve for x
    x = 3,557,200,230.58/77,897.18
  6. Step 6: Final answer
    x = 45,665.33

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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.