Home / 71,935.74-99,306.54-55,767.33

Finding the Fourth Proportional to 71,935.74, 99,306.54 and 55,767.33

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Solution

The fourth proportional to 71,935.74, 99,306.54 and 55,767.33 is: 76,986.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,935.74 : 99,306.54 = 55,767.33 : x
  2. Step 2: Convert to fraction form
    71,935.74/99,306.54 = 55,767.33/x
  3. Step 3: Cross multiply
    71,935.74x = 99,306.54 × 55,767.33
  4. Step 4: Simplify right side
    71,935.74x = 5,538,060,587.34
  5. Step 5: Solve for x
    x = 5,538,060,587.34/71,935.74
  6. Step 6: Final answer
    x = 76,986.22

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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.