Home / 73,908.48-101,995.20-40,376.64

Finding the Fourth Proportional to 73,908.48, 101,995.20 and 40,376.64

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Solution

The fourth proportional to 73,908.48, 101,995.20 and 40,376.64 is: 55,720.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,908.48 : 101,995.20 = 40,376.64 : x
  2. Step 2: Convert to fraction form
    73,908.48/101,995.20 = 40,376.64/x
  3. Step 3: Cross multiply
    73,908.48x = 101,995.20 × 40,376.64
  4. Step 4: Simplify right side
    73,908.48x = 4,118,223,472.13
  5. Step 5: Solve for x
    x = 4,118,223,472.13/73,908.48
  6. Step 6: Final answer
    x = 55,720.58

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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.