Home / 73,875.08-101,949.70-40,343.24

Finding the Fourth Proportional to 73,875.08, 101,949.70 and 40,343.24

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Solution

The fourth proportional to 73,875.08, 101,949.70 and 40,343.24 is: 55,674.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,875.08 : 101,949.70 = 40,343.24 : x
  2. Step 2: Convert to fraction form
    73,875.08/101,949.70 = 40,343.24/x
  3. Step 3: Cross multiply
    73,875.08x = 101,949.70 × 40,343.24
  4. Step 4: Simplify right side
    73,875.08x = 4,112,981,215.03
  5. Step 5: Solve for x
    x = 4,112,981,215.03/73,875.08
  6. Step 6: Final answer
    x = 55,674.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.