Home / 48,188.50-72,274.04-13,119.95

Finding the Fourth Proportional to 48,188.50, 72,274.04 and 13,119.95

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Solution

The fourth proportional to 48,188.50, 72,274.04 and 13,119.95 is: 19,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,188.50 : 72,274.04 = 13,119.95 : x
  2. Step 2: Convert to fraction form
    48,188.50/72,274.04 = 13,119.95/x
  3. Step 3: Cross multiply
    48,188.50x = 72,274.04 × 13,119.95
  4. Step 4: Simplify right side
    48,188.50x = 948,231,955.38
  5. Step 5: Solve for x
    x = 948,231,955.38/48,188.50
  6. Step 6: Final answer
    x = 19,677.56

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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.