Home / 85,802.49-118,419.03-50,003.73

Finding the Fourth Proportional to 85,802.49, 118,419.03 and 50,003.73

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Solution

The fourth proportional to 85,802.49, 118,419.03 and 50,003.73 is: 69,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,802.49 : 118,419.03 = 50,003.73 : x
  2. Step 2: Convert to fraction form
    85,802.49/118,419.03 = 50,003.73/x
  3. Step 3: Cross multiply
    85,802.49x = 118,419.03 × 50,003.73
  4. Step 4: Simplify right side
    85,802.49x = 5,921,393,202.98
  5. Step 5: Solve for x
    x = 5,921,393,202.98/85,802.49
  6. Step 6: Final answer
    x = 69,011.90

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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.