Home / 77,258.04-115,890.35-27,338.55

Finding the Fourth Proportional to 77,258.04, 115,890.35 and 27,338.55

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Solution

The fourth proportional to 77,258.04, 115,890.35 and 27,338.55 is: 41,008.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,258.04 : 115,890.35 = 27,338.55 : x
  2. Step 2: Convert to fraction form
    77,258.04/115,890.35 = 27,338.55/x
  3. Step 3: Cross multiply
    77,258.04x = 115,890.35 × 27,338.55
  4. Step 4: Simplify right side
    77,258.04x = 3,168,273,556.71
  5. Step 5: Solve for x
    x = 3,168,273,556.71/77,258.04
  6. Step 6: Final answer
    x = 41,008.98

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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.