Home / 115,851.06-173,790.18-40,955.76

Finding the Fourth Proportional to 115,851.06, 173,790.18 and 40,955.76

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Solution

The fourth proportional to 115,851.06, 173,790.18 and 40,955.76 is: 61,438.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,851.06 : 173,790.18 = 40,955.76 : x
  2. Step 2: Convert to fraction form
    115,851.06/173,790.18 = 40,955.76/x
  3. Step 3: Cross multiply
    115,851.06x = 173,790.18 × 40,955.76
  4. Step 4: Simplify right side
    115,851.06x = 7,117,708,902.44
  5. Step 5: Solve for x
    x = 7,117,708,902.44/115,851.06
  6. Step 6: Final answer
    x = 61,438.44

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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.