Home / 55,856.82-77,080.29-31,985.73

Finding the Fourth Proportional to 55,856.82, 77,080.29 and 31,985.73

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Solution

The fourth proportional to 55,856.82, 77,080.29 and 31,985.73 is: 44,139.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,856.82 : 77,080.29 = 31,985.73 : x
  2. Step 2: Convert to fraction form
    55,856.82/77,080.29 = 31,985.73/x
  3. Step 3: Cross multiply
    55,856.82x = 77,080.29 × 31,985.73
  4. Step 4: Simplify right side
    55,856.82x = 2,465,469,344.26
  5. Step 5: Solve for x
    x = 2,465,469,344.26/55,856.82
  6. Step 6: Final answer
    x = 44,139.09

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1.5x scale

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.