Home / 55,542.16-76,652.40-31,669.39

Finding the Fourth Proportional to 55,542.16, 76,652.40 and 31,669.39

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Solution

The fourth proportional to 55,542.16, 76,652.40 and 31,669.39 is: 43,706.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,542.16 : 76,652.40 = 31,669.39 : x
  2. Step 2: Convert to fraction form
    55,542.16/76,652.40 = 31,669.39/x
  3. Step 3: Cross multiply
    55,542.16x = 76,652.40 × 31,669.39
  4. Step 4: Simplify right side
    55,542.16x = 2,427,534,750.04
  5. Step 5: Solve for x
    x = 2,427,534,750.04/55,542.16
  6. Step 6: Final answer
    x = 43,706.16

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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.