Home / 70,270.38-96,961.86-40,055.76

Finding the Fourth Proportional to 70,270.38, 96,961.86 and 40,055.76

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Solution

The fourth proportional to 70,270.38, 96,961.86 and 40,055.76 is: 55,270.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,270.38 : 96,961.86 = 40,055.76 : x
  2. Step 2: Convert to fraction form
    70,270.38/96,961.86 = 40,055.76/x
  3. Step 3: Cross multiply
    70,270.38x = 96,961.86 × 40,055.76
  4. Step 4: Simplify right side
    70,270.38x = 3,883,880,993.31
  5. Step 5: Solve for x
    x = 3,883,880,993.31/70,270.38
  6. Step 6: Final answer
    x = 55,270.53

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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.