Home / 91,026.11-136,601.09-55,858.43

Finding the Fourth Proportional to 91,026.11, 136,601.09 and 55,858.43

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Solution

The fourth proportional to 91,026.11, 136,601.09 and 55,858.43 is: 83,825.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,026.11 : 136,601.09 = 55,858.43 : x
  2. Step 2: Convert to fraction form
    91,026.11/136,601.09 = 55,858.43/x
  3. Step 3: Cross multiply
    91,026.11x = 136,601.09 × 55,858.43
  4. Step 4: Simplify right side
    91,026.11x = 7,630,322,423.69
  5. Step 5: Solve for x
    x = 7,630,322,423.69/91,026.11
  6. Step 6: Final answer
    x = 83,825.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.