Home / 70,580.36-97,402.26-40,370.60

Finding the Fourth Proportional to 70,580.36, 97,402.26 and 40,370.60

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Solution

The fourth proportional to 70,580.36, 97,402.26 and 40,370.60 is: 55,712.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,580.36 : 97,402.26 = 40,370.60 : x
  2. Step 2: Convert to fraction form
    70,580.36/97,402.26 = 40,370.60/x
  3. Step 3: Cross multiply
    70,580.36x = 97,402.26 × 40,370.60
  4. Step 4: Simplify right side
    70,580.36x = 3,932,187,677.56
  5. Step 5: Solve for x
    x = 3,932,187,677.56/70,580.36
  6. Step 6: Final answer
    x = 55,712.21

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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.