Home / 56,893.68-85,191.48-45,074.16

Finding the Fourth Proportional to 56,893.68, 85,191.48 and 45,074.16

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Solution

The fourth proportional to 56,893.68, 85,191.48 and 45,074.16 is: 67,493.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,893.68 : 85,191.48 = 45,074.16 : x
  2. Step 2: Convert to fraction form
    56,893.68/85,191.48 = 45,074.16/x
  3. Step 3: Cross multiply
    56,893.68x = 85,191.48 × 45,074.16
  4. Step 4: Simplify right side
    56,893.68x = 3,839,934,400.16
  5. Step 5: Solve for x
    x = 3,839,934,400.16/56,893.68
  6. Step 6: Final answer
    x = 67,493.16

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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.