Home / 73,684.08-110,539.49-42,129.72

Finding the Fourth Proportional to 73,684.08, 110,539.49 and 42,129.72

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Solution

The fourth proportional to 73,684.08, 110,539.49 and 42,129.72 is: 63,202.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,684.08 : 110,539.49 = 42,129.72 : x
  2. Step 2: Convert to fraction form
    73,684.08/110,539.49 = 42,129.72/x
  3. Step 3: Cross multiply
    73,684.08x = 110,539.49 × 42,129.72
  4. Step 4: Simplify right side
    73,684.08x = 4,656,997,551.99
  5. Step 5: Solve for x
    x = 4,656,997,551.99/73,684.08
  6. Step 6: Final answer
    x = 63,202.22

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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.