Home / 48,138.44-72,220.54-14,857.16

Finding the Fourth Proportional to 48,138.44, 72,220.54 and 14,857.16

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Solution

The fourth proportional to 48,138.44, 72,220.54 and 14,857.16 is: 22,289.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,138.44 : 72,220.54 = 14,857.16 : x
  2. Step 2: Convert to fraction form
    48,138.44/72,220.54 = 14,857.16/x
  3. Step 3: Cross multiply
    48,138.44x = 72,220.54 × 14,857.16
  4. Step 4: Simplify right side
    48,138.44x = 1,072,992,118.07
  5. Step 5: Solve for x
    x = 1,072,992,118.07/48,138.44
  6. Step 6: Final answer
    x = 22,289.72

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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.