Home / 54,434.31-75,117.42-30,561.99

Finding the Fourth Proportional to 54,434.31, 75,117.42 and 30,561.99

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Solution

The fourth proportional to 54,434.31, 75,117.42 and 30,561.99 is: 42,174.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,434.31 : 75,117.42 = 30,561.99 : x
  2. Step 2: Convert to fraction form
    54,434.31/75,117.42 = 30,561.99/x
  3. Step 3: Cross multiply
    54,434.31x = 75,117.42 × 30,561.99
  4. Step 4: Simplify right side
    54,434.31x = 2,295,737,404.37
  5. Step 5: Solve for x
    x = 2,295,737,404.37/54,434.31
  6. Step 6: Final answer
    x = 42,174.46

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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.