Home / 54,948.23-75,830.21-31,074.42

Finding the Fourth Proportional to 54,948.23, 75,830.21 and 31,074.42

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Solution

The fourth proportional to 54,948.23, 75,830.21 and 31,074.42 is: 42,883.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,948.23 : 75,830.21 = 31,074.42 : x
  2. Step 2: Convert to fraction form
    54,948.23/75,830.21 = 31,074.42/x
  3. Step 3: Cross multiply
    54,948.23x = 75,830.21 × 31,074.42
  4. Step 4: Simplify right side
    54,948.23x = 2,356,379,794.23
  5. Step 5: Solve for x
    x = 2,356,379,794.23/54,948.23
  6. Step 6: Final answer
    x = 42,883.63

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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.