Home / 65,799.11-90,696.13-51,433.56

Finding the Fourth Proportional to 65,799.11, 90,696.13 and 51,433.56

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Solution

The fourth proportional to 65,799.11, 90,696.13 and 51,433.56 is: 70,894.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,799.11 : 90,696.13 = 51,433.56 : x
  2. Step 2: Convert to fraction form
    65,799.11/90,696.13 = 51,433.56/x
  3. Step 3: Cross multiply
    65,799.11x = 90,696.13 × 51,433.56
  4. Step 4: Simplify right side
    65,799.11x = 4,664,824,844.12
  5. Step 5: Solve for x
    x = 4,664,824,844.12/65,799.11
  6. Step 6: Final answer
    x = 70,894.95

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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.