Home / 91,985.82-137,952.08-35,813.41

Finding the Fourth Proportional to 91,985.82, 137,952.08 and 35,813.41

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Solution

The fourth proportional to 91,985.82, 137,952.08 and 35,813.41 is: 53,709.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,985.82 : 137,952.08 = 35,813.41 : x
  2. Step 2: Convert to fraction form
    91,985.82/137,952.08 = 35,813.41/x
  3. Step 3: Cross multiply
    91,985.82x = 137,952.08 × 35,813.41
  4. Step 4: Simplify right side
    91,985.82x = 4,940,534,401.39
  5. Step 5: Solve for x
    x = 4,940,534,401.39/91,985.82
  6. Step 6: Final answer
    x = 53,709.74

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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.