Home / 91,754.10-137,283.39-54,334.26

Finding the Fourth Proportional to 91,754.10, 137,283.39 and 54,334.26

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Solution

The fourth proportional to 91,754.10, 137,283.39 and 54,334.26 is: 81,295.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,754.10 : 137,283.39 = 54,334.26 : x
  2. Step 2: Convert to fraction form
    91,754.10/137,283.39 = 54,334.26/x
  3. Step 3: Cross multiply
    91,754.10x = 137,283.39 × 54,334.26
  4. Step 4: Simplify right side
    91,754.10x = 7,459,191,405.94
  5. Step 5: Solve for x
    x = 7,459,191,405.94/91,754.10
  6. Step 6: Final answer
    x = 81,295.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.