Home / 87,801.93-121,166.66-47,515.69

Finding the Fourth Proportional to 87,801.93, 121,166.66 and 47,515.69

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Solution

The fourth proportional to 87,801.93, 121,166.66 and 47,515.69 is: 65,571.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,801.93 : 121,166.66 = 47,515.69 : x
  2. Step 2: Convert to fraction form
    87,801.93/121,166.66 = 47,515.69/x
  3. Step 3: Cross multiply
    87,801.93x = 121,166.66 × 47,515.69
  4. Step 4: Simplify right side
    87,801.93x = 5,757,317,368.78
  5. Step 5: Solve for x
    x = 5,757,317,368.78/87,801.93
  6. Step 6: Final answer
    x = 65,571.65

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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.