Home / 91,187.28-136,788.75-32,017.86

Finding the Fourth Proportional to 91,187.28, 136,788.75 and 32,017.86

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Solution

The fourth proportional to 91,187.28, 136,788.75 and 32,017.86 is: 48,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,187.28 : 136,788.75 = 32,017.86 : x
  2. Step 2: Convert to fraction form
    91,187.28/136,788.75 = 32,017.86/x
  3. Step 3: Cross multiply
    91,187.28x = 136,788.75 × 32,017.86
  4. Step 4: Simplify right side
    91,187.28x = 4,379,683,047.08
  5. Step 5: Solve for x
    x = 4,379,683,047.08/91,187.28
  6. Step 6: Final answer
    x = 48,029.54

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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.