Home / 91,839.18-137,742.60-25,263.24

Finding the Fourth Proportional to 91,839.18, 137,742.60 and 25,263.24

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Solution

The fourth proportional to 91,839.18, 137,742.60 and 25,263.24 is: 37,890.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,839.18 : 137,742.60 = 25,263.24 : x
  2. Step 2: Convert to fraction form
    91,839.18/137,742.60 = 25,263.24/x
  3. Step 3: Cross multiply
    91,839.18x = 137,742.60 × 25,263.24
  4. Step 4: Simplify right side
    91,839.18x = 3,479,824,362.02
  5. Step 5: Solve for x
    x = 3,479,824,362.02/91,839.18
  6. Step 6: Final answer
    x = 37,890.41

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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.