Home / 73,721.96-101,736.05-40,187.96

Finding the Fourth Proportional to 73,721.96, 101,736.05 and 40,187.96

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Solution

The fourth proportional to 73,721.96, 101,736.05 and 40,187.96 is: 55,459.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,721.96 : 101,736.05 = 40,187.96 : x
  2. Step 2: Convert to fraction form
    73,721.96/101,736.05 = 40,187.96/x
  3. Step 3: Cross multiply
    73,721.96x = 101,736.05 × 40,187.96
  4. Step 4: Simplify right side
    73,721.96x = 4,088,564,307.96
  5. Step 5: Solve for x
    x = 4,088,564,307.96/73,721.96
  6. Step 6: Final answer
    x = 55,459.25

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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.