Home / 70,976.43-97,944.17-40,740.48

Finding the Fourth Proportional to 70,976.43, 97,944.17 and 40,740.48

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Solution

The fourth proportional to 70,976.43, 97,944.17 and 40,740.48 is: 56,219.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,976.43 : 97,944.17 = 40,740.48 : x
  2. Step 2: Convert to fraction form
    70,976.43/97,944.17 = 40,740.48/x
  3. Step 3: Cross multiply
    70,976.43x = 97,944.17 × 40,740.48
  4. Step 4: Simplify right side
    70,976.43x = 3,990,292,295.30
  5. Step 5: Solve for x
    x = 3,990,292,295.30/70,976.43
  6. Step 6: Final answer
    x = 56,219.96

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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.