Home / 88,057.89-121,517.73-50,329.71

Finding the Fourth Proportional to 88,057.89, 121,517.73 and 50,329.71

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Solution

The fourth proportional to 88,057.89, 121,517.73 and 50,329.71 is: 69,453.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,057.89 : 121,517.73 = 50,329.71 : x
  2. Step 2: Convert to fraction form
    88,057.89/121,517.73 = 50,329.71/x
  3. Step 3: Cross multiply
    88,057.89x = 121,517.73 × 50,329.71
  4. Step 4: Simplify right side
    88,057.89x = 6,115,952,110.76
  5. Step 5: Solve for x
    x = 6,115,952,110.76/88,057.89
  6. Step 6: Final answer
    x = 69,453.77

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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.