Home / 64,989.06-89,683.25-36,308.94

Finding the Fourth Proportional to 64,989.06, 89,683.25 and 36,308.94

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Solution

The fourth proportional to 64,989.06, 89,683.25 and 36,308.94 is: 50,105.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,989.06 : 89,683.25 = 36,308.94 : x
  2. Step 2: Convert to fraction form
    64,989.06/89,683.25 = 36,308.94/x
  3. Step 3: Cross multiply
    64,989.06x = 89,683.25 × 36,308.94
  4. Step 4: Simplify right side
    64,989.06x = 3,256,303,429.64
  5. Step 5: Solve for x
    x = 3,256,303,429.64/64,989.06
  6. Step 6: Final answer
    x = 50,105.41

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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.