Home / 43,123.73-64,685.61-19,403.57

Finding the Fourth Proportional to 43,123.73, 64,685.61 and 19,403.57

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Solution

The fourth proportional to 43,123.73, 64,685.61 and 19,403.57 is: 29,105.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,123.73 : 64,685.61 = 19,403.57 : x
  2. Step 2: Convert to fraction form
    43,123.73/64,685.61 = 19,403.57/x
  3. Step 3: Cross multiply
    43,123.73x = 64,685.61 × 19,403.57
  4. Step 4: Simplify right side
    43,123.73x = 1,255,131,761.63
  5. Step 5: Solve for x
    x = 1,255,131,761.63/43,123.73
  6. Step 6: Final answer
    x = 29,105.36

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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.