Home / 76,804.10-115,258.04-26,884.61

Finding the Fourth Proportional to 76,804.10, 115,258.04 and 26,884.61

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Solution

The fourth proportional to 76,804.10, 115,258.04 and 26,884.61 is: 40,345.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,804.10 : 115,258.04 = 26,884.61 : x
  2. Step 2: Convert to fraction form
    76,804.10/115,258.04 = 26,884.61/x
  3. Step 3: Cross multiply
    76,804.10x = 115,258.04 × 26,884.61
  4. Step 4: Simplify right side
    76,804.10x = 3,098,667,320.34
  5. Step 5: Solve for x
    x = 3,098,667,320.34/76,804.10
  6. Step 6: Final answer
    x = 40,345.08

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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.