Home / 91,201.04-136,822.08-32,040.80

Finding the Fourth Proportional to 91,201.04, 136,822.08 and 32,040.80

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Solution

The fourth proportional to 91,201.04, 136,822.08 and 32,040.80 is: 48,068.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,201.04 : 136,822.08 = 32,040.80 : x
  2. Step 2: Convert to fraction form
    91,201.04/136,822.08 = 32,040.80/x
  3. Step 3: Cross multiply
    91,201.04x = 136,822.08 × 32,040.80
  4. Step 4: Simplify right side
    91,201.04x = 4,383,888,900.86
  5. Step 5: Solve for x
    x = 4,383,888,900.86/91,201.04
  6. Step 6: Final answer
    x = 48,068.41

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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.