Home / 70,259.76-96,961.16-40,049.84

Finding the Fourth Proportional to 70,259.76, 96,961.16 and 40,049.84

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Solution

The fourth proportional to 70,259.76, 96,961.16 and 40,049.84 is: 55,270.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,259.76 : 96,961.16 = 40,049.84 : x
  2. Step 2: Convert to fraction form
    70,259.76/96,961.16 = 40,049.84/x
  3. Step 3: Cross multiply
    70,259.76x = 96,961.16 × 40,049.84
  4. Step 4: Simplify right side
    70,259.76x = 3,883,278,944.21
  5. Step 5: Solve for x
    x = 3,883,278,944.21/70,259.76
  6. Step 6: Final answer
    x = 55,270.31

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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.