Home / 88,289.88-121,839.93-48,003.54

Finding the Fourth Proportional to 88,289.88, 121,839.93 and 48,003.54

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Solution

The fourth proportional to 88,289.88, 121,839.93 and 48,003.54 is: 66,244.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,289.88 : 121,839.93 = 48,003.54 : x
  2. Step 2: Convert to fraction form
    88,289.88/121,839.93 = 48,003.54/x
  3. Step 3: Cross multiply
    88,289.88x = 121,839.93 × 48,003.54
  4. Step 4: Simplify right side
    88,289.88x = 5,848,747,953.35
  5. Step 5: Solve for x
    x = 5,848,747,953.35/88,289.88
  6. Step 6: Final answer
    x = 66,244.83

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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.