Home / 66,713.25-100,147.79-52,682.74

Finding the Fourth Proportional to 66,713.25, 100,147.79 and 52,682.74

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Solution

The fourth proportional to 66,713.25, 100,147.79 and 52,682.74 is: 79,085.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,713.25 : 100,147.79 = 52,682.74 : x
  2. Step 2: Convert to fraction form
    66,713.25/100,147.79 = 52,682.74/x
  3. Step 3: Cross multiply
    66,713.25x = 100,147.79 × 52,682.74
  4. Step 4: Simplify right side
    66,713.25x = 5,276,059,863.48
  5. Step 5: Solve for x
    x = 5,276,059,863.48/66,713.25
  6. Step 6: Final answer
    x = 79,085.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.