Home / 71,931.62-99,224.93-45,027.41

Finding the Fourth Proportional to 71,931.62, 99,224.93 and 45,027.41

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Solution

The fourth proportional to 71,931.62, 99,224.93 and 45,027.41 is: 62,112.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,931.62 : 99,224.93 = 45,027.41 : x
  2. Step 2: Convert to fraction form
    71,931.62/99,224.93 = 45,027.41/x
  3. Step 3: Cross multiply
    71,931.62x = 99,224.93 × 45,027.41
  4. Step 4: Simplify right side
    71,931.62x = 4,467,841,221.78
  5. Step 5: Solve for x
    x = 4,467,841,221.78/71,931.62
  6. Step 6: Final answer
    x = 62,112.34

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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.