Home / 70,996.17-97,971.42-40,760.21

Finding the Fourth Proportional to 70,996.17, 97,971.42 and 40,760.21

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Solution

The fourth proportional to 70,996.17, 97,971.42 and 40,760.21 is: 56,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,996.17 : 97,971.42 = 40,760.21 : x
  2. Step 2: Convert to fraction form
    70,996.17/97,971.42 = 40,760.21/x
  3. Step 3: Cross multiply
    70,996.17x = 97,971.42 × 40,760.21
  4. Step 4: Simplify right side
    70,996.17x = 3,993,335,653.20
  5. Step 5: Solve for x
    x = 3,993,335,653.20/70,996.17
  6. Step 6: Final answer
    x = 56,247.20

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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.