Home / 88,255.14-121,792.91-47,969

Finding the Fourth Proportional to 88,255.14, 121,792.91 and 47,969

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Solution

The fourth proportional to 88,255.14, 121,792.91 and 47,969 is: 66,197.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,255.14 : 121,792.91 = 47,969 : x
  2. Step 2: Convert to fraction form
    88,255.14/121,792.91 = 47,969/x
  3. Step 3: Cross multiply
    88,255.14x = 121,792.91 × 47,969
  4. Step 4: Simplify right side
    88,255.14x = 5,842,284,099.79
  5. Step 5: Solve for x
    x = 5,842,284,099.79/88,255.14
  6. Step 6: Final answer
    x = 66,197.66

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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.