Home / 48,187.26-72,286.29-13,127.22

Finding the Fourth Proportional to 48,187.26, 72,286.29 and 13,127.22

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Solution

The fourth proportional to 48,187.26, 72,286.29 and 13,127.22 is: 19,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,187.26 : 72,286.29 = 13,127.22 : x
  2. Step 2: Convert to fraction form
    48,187.26/72,286.29 = 13,127.22/x
  3. Step 3: Cross multiply
    48,187.26x = 72,286.29 × 13,127.22
  4. Step 4: Simplify right side
    48,187.26x = 948,918,031.81
  5. Step 5: Solve for x
    x = 948,918,031.81/48,187.26
  6. Step 6: Final answer
    x = 19,692.30

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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.