Home / 112,284.92-154,952.82-61,983.56

Finding the Fourth Proportional to 112,284.92, 154,952.82 and 61,983.56

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Solution

The fourth proportional to 112,284.92, 154,952.82 and 61,983.56 is: 85,537.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,284.92 : 154,952.82 = 61,983.56 : x
  2. Step 2: Convert to fraction form
    112,284.92/154,952.82 = 61,983.56/x
  3. Step 3: Cross multiply
    112,284.92x = 154,952.82 × 61,983.56
  4. Step 4: Simplify right side
    112,284.92x = 9,604,527,415.64
  5. Step 5: Solve for x
    x = 9,604,527,415.64/112,284.92
  6. Step 6: Final answer
    x = 85,537.11

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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.