Home / 45,789.99-68,659.75-14,191.29

Finding the Fourth Proportional to 45,789.99, 68,659.75 and 14,191.29

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Solution

The fourth proportional to 45,789.99, 68,659.75 and 14,191.29 is: 21,279.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,789.99 : 68,659.75 = 14,191.29 : x
  2. Step 2: Convert to fraction form
    45,789.99/68,659.75 = 14,191.29/x
  3. Step 3: Cross multiply
    45,789.99x = 68,659.75 × 14,191.29
  4. Step 4: Simplify right side
    45,789.99x = 974,370,423.58
  5. Step 5: Solve for x
    x = 974,370,423.58/45,789.99
  6. Step 6: Final answer
    x = 21,279.11

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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.