Home / 54,866.16-75,715.92-30,993.12

Finding the Fourth Proportional to 54,866.16, 75,715.92 and 30,993.12

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Solution

The fourth proportional to 54,866.16, 75,715.92 and 30,993.12 is: 42,770.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,866.16 : 75,715.92 = 30,993.12 : x
  2. Step 2: Convert to fraction form
    54,866.16/75,715.92 = 30,993.12/x
  3. Step 3: Cross multiply
    54,866.16x = 75,715.92 × 30,993.12
  4. Step 4: Simplify right side
    54,866.16x = 2,346,672,594.47
  5. Step 5: Solve for x
    x = 2,346,672,594.47/54,866.16
  6. Step 6: Final answer
    x = 42,770.86

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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.