Home / 91,938.03-137,904.29-25,382.22

Finding the Fourth Proportional to 91,938.03, 137,904.29 and 25,382.22

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Solution

The fourth proportional to 91,938.03, 137,904.29 and 25,382.22 is: 38,072.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,938.03 : 137,904.29 = 25,382.22 : x
  2. Step 2: Convert to fraction form
    91,938.03/137,904.29 = 25,382.22/x
  3. Step 3: Cross multiply
    91,938.03x = 137,904.29 × 25,382.22
  4. Step 4: Simplify right side
    91,938.03x = 3,500,317,027.72
  5. Step 5: Solve for x
    x = 3,500,317,027.72/91,938.03
  6. Step 6: Final answer
    x = 38,072.57

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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.