Home / 57,219.48-85,887.54-39,451.32

Finding the Fourth Proportional to 57,219.48, 85,887.54 and 39,451.32

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Solution

The fourth proportional to 57,219.48, 85,887.54 and 39,451.32 is: 59,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,219.48 : 85,887.54 = 39,451.32 : x
  2. Step 2: Convert to fraction form
    57,219.48/85,887.54 = 39,451.32/x
  3. Step 3: Cross multiply
    57,219.48x = 85,887.54 × 39,451.32
  4. Step 4: Simplify right side
    57,219.48x = 3,388,376,824.55
  5. Step 5: Solve for x
    x = 3,388,376,824.55/57,219.48
  6. Step 6: Final answer
    x = 59,217.19

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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.