Home / 66,625.62-91,899.96-42,714.42

Finding the Fourth Proportional to 66,625.62, 91,899.96 and 42,714.42

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Solution

The fourth proportional to 66,625.62, 91,899.96 and 42,714.42 is: 58,918.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,625.62 : 91,899.96 = 42,714.42 : x
  2. Step 2: Convert to fraction form
    66,625.62/91,899.96 = 42,714.42/x
  3. Step 3: Cross multiply
    66,625.62x = 91,899.96 × 42,714.42
  4. Step 4: Simplify right side
    66,625.62x = 3,925,453,489.42
  5. Step 5: Solve for x
    x = 3,925,453,489.42/66,625.62
  6. Step 6: Final answer
    x = 58,918.08

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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.