Home / 64,376.20-96,564.30-45,713.80

Finding the Fourth Proportional to 64,376.20, 96,564.30 and 45,713.80

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Solution

The fourth proportional to 64,376.20, 96,564.30 and 45,713.80 is: 68,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,376.20 : 96,564.30 = 45,713.80 : x
  2. Step 2: Convert to fraction form
    64,376.20/96,564.30 = 45,713.80/x
  3. Step 3: Cross multiply
    64,376.20x = 96,564.30 × 45,713.80
  4. Step 4: Simplify right side
    64,376.20x = 4,414,321,097.34
  5. Step 5: Solve for x
    x = 4,414,321,097.34/64,376.20
  6. Step 6: Final answer
    x = 68,570.70

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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.