Home / 65,813.04-90,822.24-60,789.96

Finding the Fourth Proportional to 65,813.04, 90,822.24 and 60,789.96

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Solution

The fourth proportional to 65,813.04, 90,822.24 and 60,789.96 is: 83,890.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,813.04 : 90,822.24 = 60,789.96 : x
  2. Step 2: Convert to fraction form
    65,813.04/90,822.24 = 60,789.96/x
  3. Step 3: Cross multiply
    65,813.04x = 90,822.24 × 60,789.96
  4. Step 4: Simplify right side
    65,813.04x = 5,521,080,336.71
  5. Step 5: Solve for x
    x = 5,521,080,336.71/65,813.04
  6. Step 6: Final answer
    x = 83,890.37

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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.