Home / 68,938.06-95,132.01-42,125.44

Finding the Fourth Proportional to 68,938.06, 95,132.01 and 42,125.44

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Solution

The fourth proportional to 68,938.06, 95,132.01 and 42,125.44 is: 58,131.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,938.06 : 95,132.01 = 42,125.44 : x
  2. Step 2: Convert to fraction form
    68,938.06/95,132.01 = 42,125.44/x
  3. Step 3: Cross multiply
    68,938.06x = 95,132.01 × 42,125.44
  4. Step 4: Simplify right side
    68,938.06x = 4,007,477,779.33
  5. Step 5: Solve for x
    x = 4,007,477,779.33/68,938.06
  6. Step 6: Final answer
    x = 58,131.57

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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.