Home / 88,315.29-121,839.16-50,066.73

Finding the Fourth Proportional to 88,315.29, 121,839.16 and 50,066.73

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Solution

The fourth proportional to 88,315.29, 121,839.16 and 50,066.73 is: 69,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,315.29 : 121,839.16 = 50,066.73 : x
  2. Step 2: Convert to fraction form
    88,315.29/121,839.16 = 50,066.73/x
  3. Step 3: Cross multiply
    88,315.29x = 121,839.16 × 50,066.73
  4. Step 4: Simplify right side
    88,315.29x = 6,100,088,327.15
  5. Step 5: Solve for x
    x = 6,100,088,327.15/88,315.29
  6. Step 6: Final answer
    x = 69,071.71

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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.