Home / 88,334.61-121,904.99-50,616.15

Finding the Fourth Proportional to 88,334.61, 121,904.99 and 50,616.15

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Solution

The fourth proportional to 88,334.61, 121,904.99 and 50,616.15 is: 69,852.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,334.61 : 121,904.99 = 50,616.15 : x
  2. Step 2: Convert to fraction form
    88,334.61/121,904.99 = 50,616.15/x
  3. Step 3: Cross multiply
    88,334.61x = 121,904.99 × 50,616.15
  4. Step 4: Simplify right side
    88,334.61x = 6,170,361,259.59
  5. Step 5: Solve for x
    x = 6,170,361,259.59/88,334.61
  6. Step 6: Final answer
    x = 69,852.14

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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.