Home / 109,724.76-164,306.04-75,943.98

Finding the Fourth Proportional to 109,724.76, 164,306.04 and 75,943.98

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Solution

The fourth proportional to 109,724.76, 164,306.04 and 75,943.98 is: 113,721.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,724.76 : 164,306.04 = 75,943.98 : x
  2. Step 2: Convert to fraction form
    109,724.76/164,306.04 = 75,943.98/x
  3. Step 3: Cross multiply
    109,724.76x = 164,306.04 × 75,943.98
  4. Step 4: Simplify right side
    109,724.76x = 12,478,054,615.64
  5. Step 5: Solve for x
    x = 12,478,054,615.64/109,724.76
  6. Step 6: Final answer
    x = 113,721.41

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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.