Home / 91,699.92-137,555.46-25,137.36

Finding the Fourth Proportional to 91,699.92, 137,555.46 and 25,137.36

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Solution

The fourth proportional to 91,699.92, 137,555.46 and 25,137.36 is: 37,707.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,699.92 : 137,555.46 = 25,137.36 : x
  2. Step 2: Convert to fraction form
    91,699.92/137,555.46 = 25,137.36/x
  3. Step 3: Cross multiply
    91,699.92x = 137,555.46 × 25,137.36
  4. Step 4: Simplify right side
    91,699.92x = 3,457,781,117.99
  5. Step 5: Solve for x
    x = 3,457,781,117.99/91,699.92
  6. Step 6: Final answer
    x = 37,707.57

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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.