Home / 66,098.03-91,181.48-42,199.58

Finding the Fourth Proportional to 66,098.03, 91,181.48 and 42,199.58

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Solution

The fourth proportional to 66,098.03, 91,181.48 and 42,199.58 is: 58,213.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,098.03 : 91,181.48 = 42,199.58 : x
  2. Step 2: Convert to fraction form
    66,098.03/91,181.48 = 42,199.58/x
  3. Step 3: Cross multiply
    66,098.03x = 91,181.48 × 42,199.58
  4. Step 4: Simplify right side
    66,098.03x = 3,847,819,492.87
  5. Step 5: Solve for x
    x = 3,847,819,492.87/66,098.03
  6. Step 6: Final answer
    x = 58,213.83

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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.