Home / 54,929.91-75,800.16-31,057.59

Finding the Fourth Proportional to 54,929.91, 75,800.16 and 31,057.59

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Solution

The fourth proportional to 54,929.91, 75,800.16 and 31,057.59 is: 42,857.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,929.91 : 75,800.16 = 31,057.59 : x
  2. Step 2: Convert to fraction form
    54,929.91/75,800.16 = 31,057.59/x
  3. Step 3: Cross multiply
    54,929.91x = 75,800.16 × 31,057.59
  4. Step 4: Simplify right side
    54,929.91x = 2,354,170,291.21
  5. Step 5: Solve for x
    x = 2,354,170,291.21/54,929.91
  6. Step 6: Final answer
    x = 42,857.71

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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.