Home / 91,623.76-137,452.04-47,238.59

Finding the Fourth Proportional to 91,623.76, 137,452.04 and 47,238.59

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Solution

The fourth proportional to 91,623.76, 137,452.04 and 47,238.59 is: 70,866.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,623.76 : 137,452.04 = 47,238.59 : x
  2. Step 2: Convert to fraction form
    91,623.76/137,452.04 = 47,238.59/x
  3. Step 3: Cross multiply
    91,623.76x = 137,452.04 × 47,238.59
  4. Step 4: Simplify right side
    91,623.76x = 6,493,040,562.22
  5. Step 5: Solve for x
    x = 6,493,040,562.22/91,623.76
  6. Step 6: Final answer
    x = 70,866.34

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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.