Home / 53,272.14-79,811.30-31,018.05

Finding the Fourth Proportional to 53,272.14, 79,811.30 and 31,018.05

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Solution

The fourth proportional to 53,272.14, 79,811.30 and 31,018.05 is: 46,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,272.14 : 79,811.30 = 31,018.05 : x
  2. Step 2: Convert to fraction form
    53,272.14/79,811.30 = 31,018.05/x
  3. Step 3: Cross multiply
    53,272.14x = 79,811.30 × 31,018.05
  4. Step 4: Simplify right side
    53,272.14x = 2,475,590,893.97
  5. Step 5: Solve for x
    x = 2,475,590,893.97/53,272.14
  6. Step 6: Final answer
    x = 46,470.65

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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.