Home / 55,850.52-77,074.14-30,356.88

Finding the Fourth Proportional to 55,850.52, 77,074.14 and 30,356.88

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Solution

The fourth proportional to 55,850.52, 77,074.14 and 30,356.88 is: 41,892.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,850.52 : 77,074.14 = 30,356.88 : x
  2. Step 2: Convert to fraction form
    55,850.52/77,074.14 = 30,356.88/x
  3. Step 3: Cross multiply
    55,850.52x = 77,074.14 × 30,356.88
  4. Step 4: Simplify right side
    55,850.52x = 2,339,730,419.08
  5. Step 5: Solve for x
    x = 2,339,730,419.08/55,850.52
  6. Step 6: Final answer
    x = 41,892.72

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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.