Home / 61,322.41-84,689.18-42,251.77

Finding the Fourth Proportional to 61,322.41, 84,689.18 and 42,251.77

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Solution

The fourth proportional to 61,322.41, 84,689.18 and 42,251.77 is: 58,351.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,322.41 : 84,689.18 = 42,251.77 : x
  2. Step 2: Convert to fraction form
    61,322.41/84,689.18 = 42,251.77/x
  3. Step 3: Cross multiply
    61,322.41x = 84,689.18 × 42,251.77
  4. Step 4: Simplify right side
    61,322.41x = 3,578,267,754.85
  5. Step 5: Solve for x
    x = 3,578,267,754.85/61,322.41
  6. Step 6: Final answer
    x = 58,351.71

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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.