Home / 45,764.60-68,660.76-19,123.52

Finding the Fourth Proportional to 45,764.60, 68,660.76 and 19,123.52

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Solution

The fourth proportional to 45,764.60, 68,660.76 and 19,123.52 is: 28,691.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,764.60 : 68,660.76 = 19,123.52 : x
  2. Step 2: Convert to fraction form
    45,764.60/68,660.76 = 19,123.52/x
  3. Step 3: Cross multiply
    45,764.60x = 68,660.76 × 19,123.52
  4. Step 4: Simplify right side
    45,764.60x = 1,313,035,417.08
  5. Step 5: Solve for x
    x = 1,313,035,417.08/45,764.60
  6. Step 6: Final answer
    x = 28,691.07

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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.