Home / 115,724.96-173,307.12-80,086.41

Finding the Fourth Proportional to 115,724.96, 173,307.12 and 80,086.41

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Solution

The fourth proportional to 115,724.96, 173,307.12 and 80,086.41 is: 119,935.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,724.96 : 173,307.12 = 80,086.41 : x
  2. Step 2: Convert to fraction form
    115,724.96/173,307.12 = 80,086.41/x
  3. Step 3: Cross multiply
    115,724.96x = 173,307.12 × 80,086.41
  4. Step 4: Simplify right side
    115,724.96x = 13,879,545,068.24
  5. Step 5: Solve for x
    x = 13,879,545,068.24/115,724.96
  6. Step 6: Final answer
    x = 119,935.63

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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.