Home / 66,314.75-91,514.35-36,100.28

Finding the Fourth Proportional to 66,314.75, 91,514.35 and 36,100.28

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Solution

The fourth proportional to 66,314.75, 91,514.35 and 36,100.28 is: 49,818.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,314.75 : 91,514.35 = 36,100.28 : x
  2. Step 2: Convert to fraction form
    66,314.75/91,514.35 = 36,100.28/x
  3. Step 3: Cross multiply
    66,314.75x = 91,514.35 × 36,100.28
  4. Step 4: Simplify right side
    66,314.75x = 3,303,693,932.93
  5. Step 5: Solve for x
    x = 3,303,693,932.93/66,314.75
  6. Step 6: Final answer
    x = 49,818.39

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1.5x scale

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.