Home / 91,222.60-136,778-32,065.06

Finding the Fourth Proportional to 91,222.60, 136,778 and 32,065.06

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Solution

The fourth proportional to 91,222.60, 136,778 and 32,065.06 is: 48,077.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,222.60 : 136,778 = 32,065.06 : x
  2. Step 2: Convert to fraction form
    91,222.60/136,778 = 32,065.06/x
  3. Step 3: Cross multiply
    91,222.60x = 136,778 × 32,065.06
  4. Step 4: Simplify right side
    91,222.60x = 4,385,794,776.68
  5. Step 5: Solve for x
    x = 4,385,794,776.68/91,222.60
  6. Step 6: Final answer
    x = 48,077.94

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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.