Home / 71,205.87-98,174.79-45,667.18

Finding the Fourth Proportional to 71,205.87, 98,174.79 and 45,667.18

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Solution

The fourth proportional to 71,205.87, 98,174.79 and 45,667.18 is: 62,963.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,205.87 : 98,174.79 = 45,667.18 : x
  2. Step 2: Convert to fraction form
    71,205.87/98,174.79 = 45,667.18/x
  3. Step 3: Cross multiply
    71,205.87x = 98,174.79 × 45,667.18
  4. Step 4: Simplify right side
    71,205.87x = 4,483,365,315.52
  5. Step 5: Solve for x
    x = 4,483,365,315.52/71,205.87
  6. Step 6: Final answer
    x = 62,963.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.