Home / 53,743.86-74,161.17-31,081.14

Finding the Fourth Proportional to 53,743.86, 74,161.17 and 31,081.14

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Solution

The fourth proportional to 53,743.86, 74,161.17 and 31,081.14 is: 42,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,743.86 : 74,161.17 = 31,081.14 : x
  2. Step 2: Convert to fraction form
    53,743.86/74,161.17 = 31,081.14/x
  3. Step 3: Cross multiply
    53,743.86x = 74,161.17 × 31,081.14
  4. Step 4: Simplify right side
    53,743.86x = 2,305,013,707.33
  5. Step 5: Solve for x
    x = 2,305,013,707.33/53,743.86
  6. Step 6: Final answer
    x = 42,888.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.