Home / 91,228.22-136,786.43-32,070.68

Finding the Fourth Proportional to 91,228.22, 136,786.43 and 32,070.68

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Solution

The fourth proportional to 91,228.22, 136,786.43 and 32,070.68 is: 48,086.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,228.22 : 136,786.43 = 32,070.68 : x
  2. Step 2: Convert to fraction form
    91,228.22/136,786.43 = 32,070.68/x
  3. Step 3: Cross multiply
    91,228.22x = 136,786.43 × 32,070.68
  4. Step 4: Simplify right side
    91,228.22x = 4,386,833,824.87
  5. Step 5: Solve for x
    x = 4,386,833,824.87/91,228.22
  6. Step 6: Final answer
    x = 48,086.37

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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.