Home / 89,722.67-134,473.16-45,362.07

Finding the Fourth Proportional to 89,722.67, 134,473.16 and 45,362.07

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Solution

The fourth proportional to 89,722.67, 134,473.16 and 45,362.07 is: 67,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,722.67 : 134,473.16 = 45,362.07 : x
  2. Step 2: Convert to fraction form
    89,722.67/134,473.16 = 45,362.07/x
  3. Step 3: Cross multiply
    89,722.67x = 134,473.16 × 45,362.07
  4. Step 4: Simplify right side
    89,722.67x = 6,099,981,010.45
  5. Step 5: Solve for x
    x = 6,099,981,010.45/89,722.67
  6. Step 6: Final answer
    x = 67,987.07

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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.