Home / 43,412.19-65,123.48-15,326.47

Finding the Fourth Proportional to 43,412.19, 65,123.48 and 15,326.47

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Solution

The fourth proportional to 43,412.19, 65,123.48 and 15,326.47 is: 22,991.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,412.19 : 65,123.48 = 15,326.47 : x
  2. Step 2: Convert to fraction form
    43,412.19/65,123.48 = 15,326.47/x
  3. Step 3: Cross multiply
    43,412.19x = 65,123.48 × 15,326.47
  4. Step 4: Simplify right side
    43,412.19x = 998,113,062.52
  5. Step 5: Solve for x
    x = 998,113,062.52/43,412.19
  6. Step 6: Final answer
    x = 22,991.54

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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.