Home / 71,932.74-99,302.40-55,764.33

Finding the Fourth Proportional to 71,932.74, 99,302.40 and 55,764.33

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Solution

The fourth proportional to 71,932.74, 99,302.40 and 55,764.33 is: 76,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,932.74 : 99,302.40 = 55,764.33 : x
  2. Step 2: Convert to fraction form
    71,932.74/99,302.40 = 55,764.33/x
  3. Step 3: Cross multiply
    71,932.74x = 99,302.40 × 55,764.33
  4. Step 4: Simplify right side
    71,932.74x = 5,537,531,803.39
  5. Step 5: Solve for x
    x = 5,537,531,803.39/71,932.74
  6. Step 6: Final answer
    x = 76,982.08

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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.