Home / 70,388.19-97,185.42-43,539.12

Finding the Fourth Proportional to 70,388.19, 97,185.42 and 43,539.12

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Solution

The fourth proportional to 70,388.19, 97,185.42 and 43,539.12 is: 60,114.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,388.19 : 97,185.42 = 43,539.12 : x
  2. Step 2: Convert to fraction form
    70,388.19/97,185.42 = 43,539.12/x
  3. Step 3: Cross multiply
    70,388.19x = 97,185.42 × 43,539.12
  4. Step 4: Simplify right side
    70,388.19x = 4,231,367,663.63
  5. Step 5: Solve for x
    x = 4,231,367,663.63/70,388.19
  6. Step 6: Final answer
    x = 60,114.74

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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.