Home / 65,283.92-90,090.04-36,998.72

Finding the Fourth Proportional to 65,283.92, 90,090.04 and 36,998.72

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Solution

The fourth proportional to 65,283.92, 90,090.04 and 36,998.72 is: 51,057.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,283.92 : 90,090.04 = 36,998.72 : x
  2. Step 2: Convert to fraction form
    65,283.92/90,090.04 = 36,998.72/x
  3. Step 3: Cross multiply
    65,283.92x = 90,090.04 × 36,998.72
  4. Step 4: Simplify right side
    65,283.92x = 3,333,216,164.75
  5. Step 5: Solve for x
    x = 3,333,216,164.75/65,283.92
  6. Step 6: Final answer
    x = 51,057.23

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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.