Home / 55,106.82-76,045.50-31,232.88

Finding the Fourth Proportional to 55,106.82, 76,045.50 and 31,232.88

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Solution

The fourth proportional to 55,106.82, 76,045.50 and 31,232.88 is: 43,100.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,106.82 : 76,045.50 = 31,232.88 : x
  2. Step 2: Convert to fraction form
    55,106.82/76,045.50 = 31,232.88/x
  3. Step 3: Cross multiply
    55,106.82x = 76,045.50 × 31,232.88
  4. Step 4: Simplify right side
    55,106.82x = 2,375,119,976.04
  5. Step 5: Solve for x
    x = 2,375,119,976.04/55,106.82
  6. Step 6: Final answer
    x = 43,100.29

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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.