Home / 57,010.05-78,673.33-31,517.07

Finding the Fourth Proportional to 57,010.05, 78,673.33 and 31,517.07

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Solution

The fourth proportional to 57,010.05, 78,673.33 and 31,517.07 is: 43,493.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,010.05 : 78,673.33 = 31,517.07 : x
  2. Step 2: Convert to fraction form
    57,010.05/78,673.33 = 31,517.07/x
  3. Step 3: Cross multiply
    57,010.05x = 78,673.33 × 31,517.07
  4. Step 4: Simplify right side
    57,010.05x = 2,479,552,848.74
  5. Step 5: Solve for x
    x = 2,479,552,848.74/57,010.05
  6. Step 6: Final answer
    x = 43,493.26

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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.