Home / 77,659.09-116,466.08-30,263.60

Finding the Fourth Proportional to 77,659.09, 116,466.08 and 30,263.60

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Solution

The fourth proportional to 77,659.09, 116,466.08 and 30,263.60 is: 45,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,659.09 : 116,466.08 = 30,263.60 : x
  2. Step 2: Convert to fraction form
    77,659.09/116,466.08 = 30,263.60/x
  3. Step 3: Cross multiply
    77,659.09x = 116,466.08 × 30,263.60
  4. Step 4: Simplify right side
    77,659.09x = 3,524,682,998.54
  5. Step 5: Solve for x
    x = 3,524,682,998.54/77,659.09
  6. Step 6: Final answer
    x = 45,386.61

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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.