Home / 68,811.74-94,937.78-40,124.92

Finding the Fourth Proportional to 68,811.74, 94,937.78 and 40,124.92

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Solution

The fourth proportional to 68,811.74, 94,937.78 and 40,124.92 is: 55,359.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,811.74 : 94,937.78 = 40,124.92 : x
  2. Step 2: Convert to fraction form
    68,811.74/94,937.78 = 40,124.92/x
  3. Step 3: Cross multiply
    68,811.74x = 94,937.78 × 40,124.92
  4. Step 4: Simplify right side
    68,811.74x = 3,809,370,827.48
  5. Step 5: Solve for x
    x = 3,809,370,827.48/68,811.74
  6. Step 6: Final answer
    x = 55,359.32

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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.