Home / 73,142.52-109,713.75-25,746.45

Finding the Fourth Proportional to 73,142.52, 109,713.75 and 25,746.45

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Solution

The fourth proportional to 73,142.52, 109,713.75 and 25,746.45 is: 38,619.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,142.52 : 109,713.75 = 25,746.45 : x
  2. Step 2: Convert to fraction form
    73,142.52/109,713.75 = 25,746.45/x
  3. Step 3: Cross multiply
    73,142.52x = 109,713.75 × 25,746.45
  4. Step 4: Simplify right side
    73,142.52x = 2,824,739,578.69
  5. Step 5: Solve for x
    x = 2,824,739,578.69/73,142.52
  6. Step 6: Final answer
    x = 38,619.66

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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.