Home / 70,889.96-97,827.36-40,680.03

Finding the Fourth Proportional to 70,889.96, 97,827.36 and 40,680.03

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Solution

The fourth proportional to 70,889.96, 97,827.36 and 40,680.03 is: 56,138.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,889.96 : 97,827.36 = 40,680.03 : x
  2. Step 2: Convert to fraction form
    70,889.96/97,827.36 = 40,680.03/x
  3. Step 3: Cross multiply
    70,889.96x = 97,827.36 × 40,680.03
  4. Step 4: Simplify right side
    70,889.96x = 3,979,619,939.62
  5. Step 5: Solve for x
    x = 3,979,619,939.62/70,889.96
  6. Step 6: Final answer
    x = 56,138.00

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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.