Home / 48,138.86-72,201.61-14,860.02

Finding the Fourth Proportional to 48,138.86, 72,201.61 and 14,860.02

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Solution

The fourth proportional to 48,138.86, 72,201.61 and 14,860.02 is: 22,287.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,138.86 : 72,201.61 = 14,860.02 : x
  2. Step 2: Convert to fraction form
    48,138.86/72,201.61 = 14,860.02/x
  3. Step 3: Cross multiply
    48,138.86x = 72,201.61 × 14,860.02
  4. Step 4: Simplify right side
    48,138.86x = 1,072,917,368.63
  5. Step 5: Solve for x
    x = 1,072,917,368.63/48,138.86
  6. Step 6: Final answer
    x = 22,287.97

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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.