Home / 73,640.21-101,618.62-43,424.10

Finding the Fourth Proportional to 73,640.21, 101,618.62 and 43,424.10

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Solution

The fourth proportional to 73,640.21, 101,618.62 and 43,424.10 is: 59,922.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,640.21 : 101,618.62 = 43,424.10 : x
  2. Step 2: Convert to fraction form
    73,640.21/101,618.62 = 43,424.10/x
  3. Step 3: Cross multiply
    73,640.21x = 101,618.62 × 43,424.10
  4. Step 4: Simplify right side
    73,640.21x = 4,412,697,008.18
  5. Step 5: Solve for x
    x = 4,412,697,008.18/73,640.21
  6. Step 6: Final answer
    x = 59,922.39

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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.