Home / 57,099.06-78,796.80-31,948.56

Finding the Fourth Proportional to 57,099.06, 78,796.80 and 31,948.56

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Solution

The fourth proportional to 57,099.06, 78,796.80 and 31,948.56 is: 44,089.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,099.06 : 78,796.80 = 31,948.56 : x
  2. Step 2: Convert to fraction form
    57,099.06/78,796.80 = 31,948.56/x
  3. Step 3: Cross multiply
    57,099.06x = 78,796.80 × 31,948.56
  4. Step 4: Simplify right side
    57,099.06x = 2,517,444,292.61
  5. Step 5: Solve for x
    x = 2,517,444,292.61/57,099.06
  6. Step 6: Final answer
    x = 44,089.07

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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.