Home / 61,181.53-84,494.68-42,110.55

Finding the Fourth Proportional to 61,181.53, 84,494.68 and 42,110.55

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Solution

The fourth proportional to 61,181.53, 84,494.68 and 42,110.55 is: 58,156.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,181.53 : 84,494.68 = 42,110.55 : x
  2. Step 2: Convert to fraction form
    61,181.53/84,494.68 = 42,110.55/x
  3. Step 3: Cross multiply
    61,181.53x = 84,494.68 × 42,110.55
  4. Step 4: Simplify right side
    61,181.53x = 3,558,117,341.60
  5. Step 5: Solve for x
    x = 3,558,117,341.60/61,181.53
  6. Step 6: Final answer
    x = 58,156.73

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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.