Home / 55,988.25-83,991.02-20,932.89

Finding the Fourth Proportional to 55,988.25, 83,991.02 and 20,932.89

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Solution

The fourth proportional to 55,988.25, 83,991.02 and 20,932.89 is: 31,402.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,988.25 : 83,991.02 = 20,932.89 : x
  2. Step 2: Convert to fraction form
    55,988.25/83,991.02 = 20,932.89/x
  3. Step 3: Cross multiply
    55,988.25x = 83,991.02 × 20,932.89
  4. Step 4: Simplify right side
    55,988.25x = 1,758,174,677.98
  5. Step 5: Solve for x
    x = 1,758,174,677.98/55,988.25
  6. Step 6: Final answer
    x = 31,402.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.