Home / 55,600.14-76,734.63-31,730.25

Finding the Fourth Proportional to 55,600.14, 76,734.63 and 31,730.25

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Solution

The fourth proportional to 55,600.14, 76,734.63 and 31,730.25 is: 43,791.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,600.14 : 76,734.63 = 31,730.25 : x
  2. Step 2: Convert to fraction form
    55,600.14/76,734.63 = 31,730.25/x
  3. Step 3: Cross multiply
    55,600.14x = 76,734.63 × 31,730.25
  4. Step 4: Simplify right side
    55,600.14x = 2,434,808,993.56
  5. Step 5: Solve for x
    x = 2,434,808,993.56/55,600.14
  6. Step 6: Final answer
    x = 43,791.42

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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.