Home / 70,832.10-97,748.65-40,618.56

Finding the Fourth Proportional to 70,832.10, 97,748.65 and 40,618.56

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Solution

The fourth proportional to 70,832.10, 97,748.65 and 40,618.56 is: 56,053.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,832.10 : 97,748.65 = 40,618.56 : x
  2. Step 2: Convert to fraction form
    70,832.10/97,748.65 = 40,618.56/x
  3. Step 3: Cross multiply
    70,832.10x = 97,748.65 × 40,618.56
  4. Step 4: Simplify right side
    70,832.10x = 3,970,409,404.94
  5. Step 5: Solve for x
    x = 3,970,409,404.94/70,832.10
  6. Step 6: Final answer
    x = 56,053.81

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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.