Home / 70,944.05-97,902.76-40,731.32

Finding the Fourth Proportional to 70,944.05, 97,902.76 and 40,731.32

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Solution

The fourth proportional to 70,944.05, 97,902.76 and 40,731.32 is: 56,209.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,944.05 : 97,902.76 = 40,731.32 : x
  2. Step 2: Convert to fraction form
    70,944.05/97,902.76 = 40,731.32/x
  3. Step 3: Cross multiply
    70,944.05x = 97,902.76 × 40,731.32
  4. Step 4: Simplify right side
    70,944.05x = 3,987,708,891.20
  5. Step 5: Solve for x
    x = 3,987,708,891.20/70,944.05
  6. Step 6: Final answer
    x = 56,209.21

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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.