Home / 91,025.11-136,599.59-55,857.43

Finding the Fourth Proportional to 91,025.11, 136,599.59 and 55,857.43

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Solution

The fourth proportional to 91,025.11, 136,599.59 and 55,857.43 is: 83,824.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,025.11 : 136,599.59 = 55,857.43 : x
  2. Step 2: Convert to fraction form
    91,025.11/136,599.59 = 55,857.43/x
  3. Step 3: Cross multiply
    91,025.11x = 136,599.59 × 55,857.43
  4. Step 4: Simplify right side
    91,025.11x = 7,630,102,036.45
  5. Step 5: Solve for x
    x = 7,630,102,036.45/91,025.11
  6. Step 6: Final answer
    x = 83,824.15

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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.