Home / 61,795.42-85,195.19-49,090.77

Finding the Fourth Proportional to 61,795.42, 85,195.19 and 49,090.77

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Solution

The fourth proportional to 61,795.42, 85,195.19 and 49,090.77 is: 67,679.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,795.42 : 85,195.19 = 49,090.77 : x
  2. Step 2: Convert to fraction form
    61,795.42/85,195.19 = 49,090.77/x
  3. Step 3: Cross multiply
    61,795.42x = 85,195.19 × 49,090.77
  4. Step 4: Simplify right side
    61,795.42x = 4,182,297,600.12
  5. Step 5: Solve for x
    x = 4,182,297,600.12/61,795.42
  6. Step 6: Final answer
    x = 67,679.74

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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.