Home / 88,351.36-121,923.60-48,065.47

Finding the Fourth Proportional to 88,351.36, 121,923.60 and 48,065.47

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Solution

The fourth proportional to 88,351.36, 121,923.60 and 48,065.47 is: 66,329.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,351.36 : 121,923.60 = 48,065.47 : x
  2. Step 2: Convert to fraction form
    88,351.36/121,923.60 = 48,065.47/x
  3. Step 3: Cross multiply
    88,351.36x = 121,923.60 × 48,065.47
  4. Step 4: Simplify right side
    88,351.36x = 5,860,315,138.09
  5. Step 5: Solve for x
    x = 5,860,315,138.09/88,351.36
  6. Step 6: Final answer
    x = 66,329.65

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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.