Home / 91,899.87-137,857.50-25,339.95

Finding the Fourth Proportional to 91,899.87, 137,857.50 and 25,339.95

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Solution

The fourth proportional to 91,899.87, 137,857.50 and 25,339.95 is: 38,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,899.87 : 137,857.50 = 25,339.95 : x
  2. Step 2: Convert to fraction form
    91,899.87/137,857.50 = 25,339.95/x
  3. Step 3: Cross multiply
    91,899.87x = 137,857.50 × 25,339.95
  4. Step 4: Simplify right side
    91,899.87x = 3,493,302,157.13
  5. Step 5: Solve for x
    x = 3,493,302,157.13/91,899.87
  6. Step 6: Final answer
    x = 38,012.05

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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.