Home / 70,832.22-97,748.82-40,618.68

Finding the Fourth Proportional to 70,832.22, 97,748.82 and 40,618.68

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Solution

The fourth proportional to 70,832.22, 97,748.82 and 40,618.68 is: 56,053.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,832.22 : 97,748.82 = 40,618.68 : x
  2. Step 2: Convert to fraction form
    70,832.22/97,748.82 = 40,618.68/x
  3. Step 3: Cross multiply
    70,832.22x = 97,748.82 × 40,618.68
  4. Step 4: Simplify right side
    70,832.22x = 3,970,428,039.96
  5. Step 5: Solve for x
    x = 3,970,428,039.96/70,832.22
  6. Step 6: Final answer
    x = 56,053.98

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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.