Home / 73,581.90-101,538.03-40,047.18

Finding the Fourth Proportional to 73,581.90, 101,538.03 and 40,047.18

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Solution

The fourth proportional to 73,581.90, 101,538.03 and 40,047.18 is: 55,262.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,581.90 : 101,538.03 = 40,047.18 : x
  2. Step 2: Convert to fraction form
    73,581.90/101,538.03 = 40,047.18/x
  3. Step 3: Cross multiply
    73,581.90x = 101,538.03 × 40,047.18
  4. Step 4: Simplify right side
    73,581.90x = 4,066,311,764.26
  5. Step 5: Solve for x
    x = 4,066,311,764.26/73,581.90
  6. Step 6: Final answer
    x = 55,262.39

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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.