Home / 55,780.84-76,977.84-31,908.52

Finding the Fourth Proportional to 55,780.84, 76,977.84 and 31,908.52

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Solution

The fourth proportional to 55,780.84, 76,977.84 and 31,908.52 is: 44,033.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,780.84 : 76,977.84 = 31,908.52 : x
  2. Step 2: Convert to fraction form
    55,780.84/76,977.84 = 31,908.52/x
  3. Step 3: Cross multiply
    55,780.84x = 76,977.84 × 31,908.52
  4. Step 4: Simplify right side
    55,780.84x = 2,456,248,947.20
  5. Step 5: Solve for x
    x = 2,456,248,947.20/55,780.84
  6. Step 6: Final answer
    x = 44,033.92

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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.