Home / 91,096.28-136,660.80-43,671.18

Finding the Fourth Proportional to 91,096.28, 136,660.80 and 43,671.18

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Solution

The fourth proportional to 91,096.28, 136,660.80 and 43,671.18 is: 65,514.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,096.28 : 136,660.80 = 43,671.18 : x
  2. Step 2: Convert to fraction form
    91,096.28/136,660.80 = 43,671.18/x
  3. Step 3: Cross multiply
    91,096.28x = 136,660.80 × 43,671.18
  4. Step 4: Simplify right side
    91,096.28x = 5,968,138,395.74
  5. Step 5: Solve for x
    x = 5,968,138,395.74/91,096.28
  6. Step 6: Final answer
    x = 65,514.63

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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.