Home / 53,888.64-74,360.66-31,234.74

Finding the Fourth Proportional to 53,888.64, 74,360.66 and 31,234.74

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Solution

The fourth proportional to 53,888.64, 74,360.66 and 31,234.74 is: 43,100.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,888.64 : 74,360.66 = 31,234.74 : x
  2. Step 2: Convert to fraction form
    53,888.64/74,360.66 = 31,234.74/x
  3. Step 3: Cross multiply
    53,888.64x = 74,360.66 × 31,234.74
  4. Step 4: Simplify right side
    53,888.64x = 2,322,635,743.29
  5. Step 5: Solve for x
    x = 2,322,635,743.29/53,888.64
  6. Step 6: Final answer
    x = 43,100.65

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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.