Home / 70,211.32-96,942.36-43,390.60

Finding the Fourth Proportional to 70,211.32, 96,942.36 and 43,390.60

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Solution

The fourth proportional to 70,211.32, 96,942.36 and 43,390.60 is: 59,910.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,211.32 : 96,942.36 = 43,390.60 : x
  2. Step 2: Convert to fraction form
    70,211.32/96,942.36 = 43,390.60/x
  3. Step 3: Cross multiply
    70,211.32x = 96,942.36 × 43,390.60
  4. Step 4: Simplify right side
    70,211.32x = 4,206,387,165.82
  5. Step 5: Solve for x
    x = 4,206,387,165.82/70,211.32
  6. Step 6: Final answer
    x = 59,910.38

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1.5x scale

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.