Home / 74,521.59-111,749.58-39,453.05

Finding the Fourth Proportional to 74,521.59, 111,749.58 and 39,453.05

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Solution

The fourth proportional to 74,521.59, 111,749.58 and 39,453.05 is: 59,162.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,521.59 : 111,749.58 = 39,453.05 : x
  2. Step 2: Convert to fraction form
    74,521.59/111,749.58 = 39,453.05/x
  3. Step 3: Cross multiply
    74,521.59x = 111,749.58 × 39,453.05
  4. Step 4: Simplify right side
    74,521.59x = 4,408,861,208.47
  5. Step 5: Solve for x
    x = 4,408,861,208.47/74,521.59
  6. Step 6: Final answer
    x = 59,162.20

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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.