Home / 67,119.36-92,621.76-40,277.76

Finding the Fourth Proportional to 67,119.36, 92,621.76 and 40,277.76

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Solution

The fourth proportional to 67,119.36, 92,621.76 and 40,277.76 is: 55,581.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,119.36 : 92,621.76 = 40,277.76 : x
  2. Step 2: Convert to fraction form
    67,119.36/92,621.76 = 40,277.76/x
  3. Step 3: Cross multiply
    67,119.36x = 92,621.76 × 40,277.76
  4. Step 4: Simplify right side
    67,119.36x = 3,730,597,020.06
  5. Step 5: Solve for x
    x = 3,730,597,020.06/67,119.36
  6. Step 6: Final answer
    x = 55,581.53

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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.