Home / 73,943.45-102,060.09-42,131.10

Finding the Fourth Proportional to 73,943.45, 102,060.09 and 42,131.10

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Solution

The fourth proportional to 73,943.45, 102,060.09 and 42,131.10 is: 58,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,943.45 : 102,060.09 = 42,131.10 : x
  2. Step 2: Convert to fraction form
    73,943.45/102,060.09 = 42,131.10/x
  3. Step 3: Cross multiply
    73,943.45x = 102,060.09 × 42,131.10
  4. Step 4: Simplify right side
    73,943.45x = 4,299,903,857.80
  5. Step 5: Solve for x
    x = 4,299,903,857.80/73,943.45
  6. Step 6: Final answer
    x = 58,151.25

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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.