Home / 70,172.72-96,857.88-43,319.60

Finding the Fourth Proportional to 70,172.72, 96,857.88 and 43,319.60

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Solution

The fourth proportional to 70,172.72, 96,857.88 and 43,319.60 is: 59,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,172.72 : 96,857.88 = 43,319.60 : x
  2. Step 2: Convert to fraction form
    70,172.72/96,857.88 = 43,319.60/x
  3. Step 3: Cross multiply
    70,172.72x = 96,857.88 × 43,319.60
  4. Step 4: Simplify right side
    70,172.72x = 4,195,844,618.45
  5. Step 5: Solve for x
    x = 4,195,844,618.45/70,172.72
  6. Step 6: Final answer
    x = 59,793.10

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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.