Home / 55,750.56-76,934.94-30,600.06

Finding the Fourth Proportional to 55,750.56, 76,934.94 and 30,600.06

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Solution

The fourth proportional to 55,750.56, 76,934.94 and 30,600.06 is: 42,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,750.56 : 76,934.94 = 30,600.06 : x
  2. Step 2: Convert to fraction form
    55,750.56/76,934.94 = 30,600.06/x
  3. Step 3: Cross multiply
    55,750.56x = 76,934.94 × 30,600.06
  4. Step 4: Simplify right side
    55,750.56x = 2,354,213,780.10
  5. Step 5: Solve for x
    x = 2,354,213,780.10/55,750.56
  6. Step 6: Final answer
    x = 42,227.63

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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.