Home / 75,513.72-104,249-47,228.52

Finding the Fourth Proportional to 75,513.72, 104,249 and 47,228.52

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Solution

The fourth proportional to 75,513.72, 104,249 and 47,228.52 is: 65,200.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,513.72 : 104,249 = 47,228.52 : x
  2. Step 2: Convert to fraction form
    75,513.72/104,249 = 47,228.52/x
  3. Step 3: Cross multiply
    75,513.72x = 104,249 × 47,228.52
  4. Step 4: Simplify right side
    75,513.72x = 4,923,525,981.48
  5. Step 5: Solve for x
    x = 4,923,525,981.48/75,513.72
  6. Step 6: Final answer
    x = 65,200.42

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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.