Home / 70,648.96-97,495.26-40,434.12

Finding the Fourth Proportional to 70,648.96, 97,495.26 and 40,434.12

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Solution

The fourth proportional to 70,648.96, 97,495.26 and 40,434.12 is: 55,798.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,648.96 : 97,495.26 = 40,434.12 : x
  2. Step 2: Convert to fraction form
    70,648.96/97,495.26 = 40,434.12/x
  3. Step 3: Cross multiply
    70,648.96x = 97,495.26 × 40,434.12
  4. Step 4: Simplify right side
    70,648.96x = 3,942,135,042.27
  5. Step 5: Solve for x
    x = 3,942,135,042.27/70,648.96
  6. Step 6: Final answer
    x = 55,798.91

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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.