Home / 75,679.02-113,343.54-73,054.62

Finding the Fourth Proportional to 75,679.02, 113,343.54 and 73,054.62

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Solution

The fourth proportional to 75,679.02, 113,343.54 and 73,054.62 is: 109,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,679.02 : 113,343.54 = 73,054.62 : x
  2. Step 2: Convert to fraction form
    75,679.02/113,343.54 = 73,054.62/x
  3. Step 3: Cross multiply
    75,679.02x = 113,343.54 × 73,054.62
  4. Step 4: Simplify right side
    75,679.02x = 8,280,269,244.15
  5. Step 5: Solve for x
    x = 8,280,269,244.15/75,679.02
  6. Step 6: Final answer
    x = 109,413.01

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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.