Home / 91,027.11-136,602.59-55,859.43

Finding the Fourth Proportional to 91,027.11, 136,602.59 and 55,859.43

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Solution

The fourth proportional to 91,027.11, 136,602.59 and 55,859.43 is: 83,827.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,027.11 : 136,602.59 = 55,859.43 : x
  2. Step 2: Convert to fraction form
    91,027.11/136,602.59 = 55,859.43/x
  3. Step 3: Cross multiply
    91,027.11x = 136,602.59 × 55,859.43
  4. Step 4: Simplify right side
    91,027.11x = 7,630,542,813.92
  5. Step 5: Solve for x
    x = 7,630,542,813.92/91,027.11
  6. Step 6: Final answer
    x = 83,827.15

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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.