Home / 63,640.85-88,014.66-55,669.23

Finding the Fourth Proportional to 63,640.85, 88,014.66 and 55,669.23

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Solution

The fourth proportional to 63,640.85, 88,014.66 and 55,669.23 is: 76,989.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,640.85 : 88,014.66 = 55,669.23 : x
  2. Step 2: Convert to fraction form
    63,640.85/88,014.66 = 55,669.23/x
  3. Step 3: Cross multiply
    63,640.85x = 88,014.66 × 55,669.23
  4. Step 4: Simplify right side
    63,640.85x = 4,899,707,771.67
  5. Step 5: Solve for x
    x = 4,899,707,771.67/63,640.85
  6. Step 6: Final answer
    x = 76,989.99

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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.