Home / 99,094.18-136,692.78-63,243.79

Finding the Fourth Proportional to 99,094.18, 136,692.78 and 63,243.79

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Solution

The fourth proportional to 99,094.18, 136,692.78 and 63,243.79 is: 87,239.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,094.18 : 136,692.78 = 63,243.79 : x
  2. Step 2: Convert to fraction form
    99,094.18/136,692.78 = 63,243.79/x
  3. Step 3: Cross multiply
    99,094.18x = 136,692.78 × 63,243.79
  4. Step 4: Simplify right side
    99,094.18x = 8,644,968,789.37
  5. Step 5: Solve for x
    x = 8,644,968,789.37/99,094.18
  6. Step 6: Final answer
    x = 87,239.92

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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.