Home / 98,986.22-136,599.30-55,964.98

Finding the Fourth Proportional to 98,986.22, 136,599.30 and 55,964.98

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Solution

The fourth proportional to 98,986.22, 136,599.30 and 55,964.98 is: 77,230.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,986.22 : 136,599.30 = 55,964.98 : x
  2. Step 2: Convert to fraction form
    98,986.22/136,599.30 = 55,964.98/x
  3. Step 3: Cross multiply
    98,986.22x = 136,599.30 × 55,964.98
  4. Step 4: Simplify right side
    98,986.22x = 7,644,777,092.51
  5. Step 5: Solve for x
    x = 7,644,777,092.51/98,986.22
  6. Step 6: Final answer
    x = 77,230.72

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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.