Home / 66,364.35-91,672.39-53,029.18

Finding the Fourth Proportional to 66,364.35, 91,672.39 and 53,029.18

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Solution

The fourth proportional to 66,364.35, 91,672.39 and 53,029.18 is: 73,251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,364.35 : 91,672.39 = 53,029.18 : x
  2. Step 2: Convert to fraction form
    66,364.35/91,672.39 = 53,029.18/x
  3. Step 3: Cross multiply
    66,364.35x = 91,672.39 × 53,029.18
  4. Step 4: Simplify right side
    66,364.35x = 4,861,311,670.34
  5. Step 5: Solve for x
    x = 4,861,311,670.34/66,364.35
  6. Step 6: Final answer
    x = 73,251.85

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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.