Home / 66,799.59-92,139.07-42,956.43

Finding the Fourth Proportional to 66,799.59, 92,139.07 and 42,956.43

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Solution

The fourth proportional to 66,799.59, 92,139.07 and 42,956.43 is: 59,251.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,799.59 : 92,139.07 = 42,956.43 : x
  2. Step 2: Convert to fraction form
    66,799.59/92,139.07 = 42,956.43/x
  3. Step 3: Cross multiply
    66,799.59x = 92,139.07 × 42,956.43
  4. Step 4: Simplify right side
    66,799.59x = 3,957,965,510.72
  5. Step 5: Solve for x
    x = 3,957,965,510.72/66,799.59
  6. Step 6: Final answer
    x = 59,251.34

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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.