Home / 48,185.94-72,270.20-13,117.39

Finding the Fourth Proportional to 48,185.94, 72,270.20 and 13,117.39

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Solution

The fourth proportional to 48,185.94, 72,270.20 and 13,117.39 is: 19,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,185.94 : 72,270.20 = 13,117.39 : x
  2. Step 2: Convert to fraction form
    48,185.94/72,270.20 = 13,117.39/x
  3. Step 3: Cross multiply
    48,185.94x = 72,270.20 × 13,117.39
  4. Step 4: Simplify right side
    48,185.94x = 947,996,333.19
  5. Step 5: Solve for x
    x = 947,996,333.19/48,185.94
  6. Step 6: Final answer
    x = 19,673.71

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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.