Home / 75,715.43-104,487.44-45,501.21

Finding the Fourth Proportional to 75,715.43, 104,487.44 and 45,501.21

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Solution

The fourth proportional to 75,715.43, 104,487.44 and 45,501.21 is: 62,791.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,715.43 : 104,487.44 = 45,501.21 : x
  2. Step 2: Convert to fraction form
    75,715.43/104,487.44 = 45,501.21/x
  3. Step 3: Cross multiply
    75,715.43x = 104,487.44 × 45,501.21
  4. Step 4: Simplify right side
    75,715.43x = 4,754,304,722.30
  5. Step 5: Solve for x
    x = 4,754,304,722.30/75,715.43
  6. Step 6: Final answer
    x = 62,791.76

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1.5x scale

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.