Home / 54,665.66-75,437.24-30,790.92

Finding the Fourth Proportional to 54,665.66, 75,437.24 and 30,790.92

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Solution

The fourth proportional to 54,665.66, 75,437.24 and 30,790.92 is: 42,490.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,665.66 : 75,437.24 = 30,790.92 : x
  2. Step 2: Convert to fraction form
    54,665.66/75,437.24 = 30,790.92/x
  3. Step 3: Cross multiply
    54,665.66x = 75,437.24 × 30,790.92
  4. Step 4: Simplify right side
    54,665.66x = 2,322,782,021.86
  5. Step 5: Solve for x
    x = 2,322,782,021.86/54,665.66
  6. Step 6: Final answer
    x = 42,490.70

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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.