Home / 57,010.06-78,665.07-31,854.70

Finding the Fourth Proportional to 57,010.06, 78,665.07 and 31,854.70

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Solution

The fourth proportional to 57,010.06, 78,665.07 and 31,854.70 is: 43,954.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,010.06 : 78,665.07 = 31,854.70 : x
  2. Step 2: Convert to fraction form
    57,010.06/78,665.07 = 31,854.70/x
  3. Step 3: Cross multiply
    57,010.06x = 78,665.07 × 31,854.70
  4. Step 4: Simplify right side
    57,010.06x = 2,505,852,205.33
  5. Step 5: Solve for x
    x = 2,505,852,205.33/57,010.06
  6. Step 6: Final answer
    x = 43,954.56

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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.