Home / 70,996.43-97,975.40-39,165.32

Finding the Fourth Proportional to 70,996.43, 97,975.40 and 39,165.32

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Solution

The fourth proportional to 70,996.43, 97,975.40 and 39,165.32 is: 54,048.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,996.43 : 97,975.40 = 39,165.32 : x
  2. Step 2: Convert to fraction form
    70,996.43/97,975.40 = 39,165.32/x
  3. Step 3: Cross multiply
    70,996.43x = 97,975.40 × 39,165.32
  4. Step 4: Simplify right side
    70,996.43x = 3,837,237,893.13
  5. Step 5: Solve for x
    x = 3,837,237,893.13/70,996.43
  6. Step 6: Final answer
    x = 54,048.32

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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.