Home / 42,622.88-63,934.08-11,455.52

Finding the Fourth Proportional to 42,622.88, 63,934.08 and 11,455.52

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Solution

The fourth proportional to 42,622.88, 63,934.08 and 11,455.52 is: 17,183.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,622.88 : 63,934.08 = 11,455.52 : x
  2. Step 2: Convert to fraction form
    42,622.88/63,934.08 = 11,455.52/x
  3. Step 3: Cross multiply
    42,622.88x = 63,934.08 × 11,455.52
  4. Step 4: Simplify right side
    42,622.88x = 732,398,132.12
  5. Step 5: Solve for x
    x = 732,398,132.12/42,622.88
  6. Step 6: Final answer
    x = 17,183.22

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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.