Home / 91,969.14-137,883.78-47,567.62

Finding the Fourth Proportional to 91,969.14, 137,883.78 and 47,567.62

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Solution

The fourth proportional to 91,969.14, 137,883.78 and 47,567.62 is: 71,315.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,969.14 : 137,883.78 = 47,567.62 : x
  2. Step 2: Convert to fraction form
    91,969.14/137,883.78 = 47,567.62/x
  3. Step 3: Cross multiply
    91,969.14x = 137,883.78 × 47,567.62
  4. Step 4: Simplify right side
    91,969.14x = 6,558,803,251.20
  5. Step 5: Solve for x
    x = 6,558,803,251.20/91,969.14
  6. Step 6: Final answer
    x = 71,315.26

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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.