Home / 75,238.56-112,848.62-43,665.80

Finding the Fourth Proportional to 75,238.56, 112,848.62 and 43,665.80

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Solution

The fourth proportional to 75,238.56, 112,848.62 and 43,665.80 is: 65,493.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,238.56 : 112,848.62 = 43,665.80 : x
  2. Step 2: Convert to fraction form
    75,238.56/112,848.62 = 43,665.80/x
  3. Step 3: Cross multiply
    75,238.56x = 112,848.62 × 43,665.80
  4. Step 4: Simplify right side
    75,238.56x = 4,927,624,488.62
  5. Step 5: Solve for x
    x = 4,927,624,488.62/75,238.56
  6. Step 6: Final answer
    x = 65,493.34

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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.