Home / 57,699.12-86,511.48-22,642.32

Finding the Fourth Proportional to 57,699.12, 86,511.48 and 22,642.32

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Solution

The fourth proportional to 57,699.12, 86,511.48 and 22,642.32 is: 33,948.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,699.12 : 86,511.48 = 22,642.32 : x
  2. Step 2: Convert to fraction form
    57,699.12/86,511.48 = 22,642.32/x
  3. Step 3: Cross multiply
    57,699.12x = 86,511.48 × 22,642.32
  4. Step 4: Simplify right side
    57,699.12x = 1,958,820,613.83
  5. Step 5: Solve for x
    x = 1,958,820,613.83/57,699.12
  6. Step 6: Final answer
    x = 33,948.88

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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.