Home / 98,985.22-136,597.92-55,963.98

Finding the Fourth Proportional to 98,985.22, 136,597.92 and 55,963.98

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Solution

The fourth proportional to 98,985.22, 136,597.92 and 55,963.98 is: 77,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,985.22 : 136,597.92 = 55,963.98 : x
  2. Step 2: Convert to fraction form
    98,985.22/136,597.92 = 55,963.98/x
  3. Step 3: Cross multiply
    98,985.22x = 136,597.92 × 55,963.98
  4. Step 4: Simplify right side
    98,985.22x = 7,644,563,262.92
  5. Step 5: Solve for x
    x = 7,644,563,262.92/98,985.22
  6. Step 6: Final answer
    x = 77,229.34

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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.