Home / 162,055.05-243,082.58-43,726.39

Finding the Fourth Proportional to 162,055.05, 243,082.58 and 43,726.39

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Solution

The fourth proportional to 162,055.05, 243,082.58 and 43,726.39 is: 65,589.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,055.05 : 243,082.58 = 43,726.39 : x
  2. Step 2: Convert to fraction form
    162,055.05/243,082.58 = 43,726.39/x
  3. Step 3: Cross multiply
    162,055.05x = 243,082.58 × 43,726.39
  4. Step 4: Simplify right side
    162,055.05x = 10,629,123,780.51
  5. Step 5: Solve for x
    x = 10,629,123,780.51/162,055.05
  6. Step 6: Final answer
    x = 65,589.59

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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.