Home / 64,683.06-89,255.40-36,388.14

Finding the Fourth Proportional to 64,683.06, 89,255.40 and 36,388.14

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Solution

The fourth proportional to 64,683.06, 89,255.40 and 36,388.14 is: 50,211.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,683.06 : 89,255.40 = 36,388.14 : x
  2. Step 2: Convert to fraction form
    64,683.06/89,255.40 = 36,388.14/x
  3. Step 3: Cross multiply
    64,683.06x = 89,255.40 × 36,388.14
  4. Step 4: Simplify right side
    64,683.06x = 3,247,837,990.96
  5. Step 5: Solve for x
    x = 3,247,837,990.96/64,683.06
  6. Step 6: Final answer
    x = 50,211.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.