Home / 55,538.87-76,641.73-31,673.22

Finding the Fourth Proportional to 55,538.87, 76,641.73 and 31,673.22

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Solution

The fourth proportional to 55,538.87, 76,641.73 and 31,673.22 is: 43,707.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,538.87 : 76,641.73 = 31,673.22 : x
  2. Step 2: Convert to fraction form
    55,538.87/76,641.73 = 31,673.22/x
  3. Step 3: Cross multiply
    55,538.87x = 76,641.73 × 31,673.22
  4. Step 4: Simplify right side
    55,538.87x = 2,427,490,296.29
  5. Step 5: Solve for x
    x = 2,427,490,296.29/55,538.87
  6. Step 6: Final answer
    x = 43,707.96

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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.