Home / 70,366.20-105,549.99-17,775.73

Finding the Fourth Proportional to 70,366.20, 105,549.99 and 17,775.73

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Solution

The fourth proportional to 70,366.20, 105,549.99 and 17,775.73 is: 26,663.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,366.20 : 105,549.99 = 17,775.73 : x
  2. Step 2: Convert to fraction form
    70,366.20/105,549.99 = 17,775.73/x
  3. Step 3: Cross multiply
    70,366.20x = 105,549.99 × 17,775.73
  4. Step 4: Simplify right side
    70,366.20x = 1,876,228,123.74
  5. Step 5: Solve for x
    x = 1,876,228,123.74/70,366.20
  6. Step 6: Final answer
    x = 26,663.77

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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.