Home / 56,616.80-78,135.54-33,956.66

Finding the Fourth Proportional to 56,616.80, 78,135.54 and 33,956.66

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Solution

The fourth proportional to 56,616.80, 78,135.54 and 33,956.66 is: 46,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,616.80 : 78,135.54 = 33,956.66 : x
  2. Step 2: Convert to fraction form
    56,616.80/78,135.54 = 33,956.66/x
  3. Step 3: Cross multiply
    56,616.80x = 78,135.54 × 33,956.66
  4. Step 4: Simplify right side
    56,616.80x = 2,653,221,965.70
  5. Step 5: Solve for x
    x = 2,653,221,965.70/56,616.80
  6. Step 6: Final answer
    x = 46,862.80

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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.