Home / 88,336.09-121,904.99-50,610.25

Finding the Fourth Proportional to 88,336.09, 121,904.99 and 50,610.25

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Solution

The fourth proportional to 88,336.09, 121,904.99 and 50,610.25 is: 69,842.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,336.09 : 121,904.99 = 50,610.25 : x
  2. Step 2: Convert to fraction form
    88,336.09/121,904.99 = 50,610.25/x
  3. Step 3: Cross multiply
    88,336.09x = 121,904.99 × 50,610.25
  4. Step 4: Simplify right side
    88,336.09x = 6,169,642,020.15
  5. Step 5: Solve for x
    x = 6,169,642,020.15/88,336.09
  6. Step 6: Final answer
    x = 69,842.82

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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.