Home / 91,964.82-137,989.32-47,567.52

Finding the Fourth Proportional to 91,964.82, 137,989.32 and 47,567.52

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Solution

The fourth proportional to 91,964.82, 137,989.32 and 47,567.52 is: 71,373.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,964.82 : 137,989.32 = 47,567.52 : x
  2. Step 2: Convert to fraction form
    91,964.82/137,989.32 = 47,567.52/x
  3. Step 3: Cross multiply
    91,964.82x = 137,989.32 × 47,567.52
  4. Step 4: Simplify right side
    91,964.82x = 6,563,809,738.89
  5. Step 5: Solve for x
    x = 6,563,809,738.89/91,964.82
  6. Step 6: Final answer
    x = 71,373.05

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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.