Home / 64,991.28-89,693.46-36,702.12

Finding the Fourth Proportional to 64,991.28, 89,693.46 and 36,702.12

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Solution

The fourth proportional to 64,991.28, 89,693.46 and 36,702.12 is: 50,652.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,991.28 : 89,693.46 = 36,702.12 : x
  2. Step 2: Convert to fraction form
    64,991.28/89,693.46 = 36,702.12/x
  3. Step 3: Cross multiply
    64,991.28x = 89,693.46 × 36,702.12
  4. Step 4: Simplify right side
    64,991.28x = 3,291,940,132.14
  5. Step 5: Solve for x
    x = 3,291,940,132.14/64,991.28
  6. Step 6: Final answer
    x = 50,652.03

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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.