Home / 45,573.48-68,354.73-12,290.97

Finding the Fourth Proportional to 45,573.48, 68,354.73 and 12,290.97

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Solution

The fourth proportional to 45,573.48, 68,354.73 and 12,290.97 is: 18,434.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,573.48 : 68,354.73 = 12,290.97 : x
  2. Step 2: Convert to fraction form
    45,573.48/68,354.73 = 12,290.97/x
  3. Step 3: Cross multiply
    45,573.48x = 68,354.73 × 12,290.97
  4. Step 4: Simplify right side
    45,573.48x = 840,145,935.79
  5. Step 5: Solve for x
    x = 840,145,935.79/45,573.48
  6. Step 6: Final answer
    x = 18,434.97

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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.