Home / 92,016.75-138,057.53-45,302.43

Finding the Fourth Proportional to 92,016.75, 138,057.53 and 45,302.43

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Solution

The fourth proportional to 92,016.75, 138,057.53 and 45,302.43 is: 67,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,016.75 : 138,057.53 = 45,302.43 : x
  2. Step 2: Convert to fraction form
    92,016.75/138,057.53 = 45,302.43/x
  3. Step 3: Cross multiply
    92,016.75x = 138,057.53 × 45,302.43
  4. Step 4: Simplify right side
    92,016.75x = 6,254,341,362.29
  5. Step 5: Solve for x
    x = 6,254,341,362.29/92,016.75
  6. Step 6: Final answer
    x = 67,969.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.