Home / 61,608.06-91,966.41-54,134.70

Finding the Fourth Proportional to 61,608.06, 91,966.41 and 54,134.70

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Solution

The fourth proportional to 61,608.06, 91,966.41 and 54,134.70 is: 80,810.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,608.06 : 91,966.41 = 54,134.70 : x
  2. Step 2: Convert to fraction form
    61,608.06/91,966.41 = 54,134.70/x
  3. Step 3: Cross multiply
    61,608.06x = 91,966.41 × 54,134.70
  4. Step 4: Simplify right side
    61,608.06x = 4,978,574,015.43
  5. Step 5: Solve for x
    x = 4,978,574,015.43/61,608.06
  6. Step 6: Final answer
    x = 80,810.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.