Home / 65,886.23-90,937.94-51,517.64

Finding the Fourth Proportional to 65,886.23, 90,937.94 and 51,517.64

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Solution

The fourth proportional to 65,886.23, 90,937.94 and 51,517.64 is: 71,106.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,886.23 : 90,937.94 = 51,517.64 : x
  2. Step 2: Convert to fraction form
    65,886.23/90,937.94 = 51,517.64/x
  3. Step 3: Cross multiply
    65,886.23x = 90,937.94 × 51,517.64
  4. Step 4: Simplify right side
    65,886.23x = 4,684,907,342.98
  5. Step 5: Solve for x
    x = 4,684,907,342.98/65,886.23
  6. Step 6: Final answer
    x = 71,106.02

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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.