Home / 55,513.71-76,607.01-31,648.07

Finding the Fourth Proportional to 55,513.71, 76,607.01 and 31,648.07

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Solution

The fourth proportional to 55,513.71, 76,607.01 and 31,648.07 is: 43,673.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,513.71 : 76,607.01 = 31,648.07 : x
  2. Step 2: Convert to fraction form
    55,513.71/76,607.01 = 31,648.07/x
  3. Step 3: Cross multiply
    55,513.71x = 76,607.01 × 31,648.07
  4. Step 4: Simplify right side
    55,513.71x = 2,424,464,014.97
  5. Step 5: Solve for x
    x = 2,424,464,014.97/55,513.71
  6. Step 6: Final answer
    x = 43,673.25

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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.