Home / 55,871.96-77,117.82-37,002.20

Finding the Fourth Proportional to 55,871.96, 77,117.82 and 37,002.20

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Solution

The fourth proportional to 55,871.96, 77,117.82 and 37,002.20 is: 51,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,871.96 : 77,117.82 = 37,002.20 : x
  2. Step 2: Convert to fraction form
    55,871.96/77,117.82 = 37,002.20/x
  3. Step 3: Cross multiply
    55,871.96x = 77,117.82 × 37,002.20
  4. Step 4: Simplify right side
    55,871.96x = 2,853,528,999.20
  5. Step 5: Solve for x
    x = 2,853,528,999.20/55,871.96
  6. Step 6: Final answer
    x = 51,072.65

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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.