Home / 88,418.54-122,003.88-50,685.50

Finding the Fourth Proportional to 88,418.54, 122,003.88 and 50,685.50

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Solution

The fourth proportional to 88,418.54, 122,003.88 and 50,685.50 is: 69,938.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,418.54 : 122,003.88 = 50,685.50 : x
  2. Step 2: Convert to fraction form
    88,418.54/122,003.88 = 50,685.50/x
  3. Step 3: Cross multiply
    88,418.54x = 122,003.88 × 50,685.50
  4. Step 4: Simplify right side
    88,418.54x = 6,183,827,659.74
  5. Step 5: Solve for x
    x = 6,183,827,659.74/88,418.54
  6. Step 6: Final answer
    x = 69,938.13

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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.