Home / 45,000.73-67,513.37-19,695.64

Finding the Fourth Proportional to 45,000.73, 67,513.37 and 19,695.64

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Solution

The fourth proportional to 45,000.73, 67,513.37 and 19,695.64 is: 29,548.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,000.73 : 67,513.37 = 19,695.64 : x
  2. Step 2: Convert to fraction form
    45,000.73/67,513.37 = 19,695.64/x
  3. Step 3: Cross multiply
    45,000.73x = 67,513.37 × 19,695.64
  4. Step 4: Simplify right side
    45,000.73x = 1,329,718,594.66
  5. Step 5: Solve for x
    x = 1,329,718,594.66/45,000.73
  6. Step 6: Final answer
    x = 29,548.83

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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.