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Finding the Fourth Proportional to 61,925.44, 85,462.68 and 35,074.48

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Solution

The fourth proportional to 61,925.44, 85,462.68 and 35,074.48 is: 48,405.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,925.44 : 85,462.68 = 35,074.48 : x
  2. Step 2: Convert to fraction form
    61,925.44/85,462.68 = 35,074.48/x
  3. Step 3: Cross multiply
    61,925.44x = 85,462.68 × 35,074.48
  4. Step 4: Simplify right side
    61,925.44x = 2,997,559,060.41
  5. Step 5: Solve for x
    x = 2,997,559,060.41/61,925.44
  6. Step 6: Final answer
    x = 48,405.94

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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.