Home / 65,942.61-99,012.74-57,085.26

Finding the Fourth Proportional to 65,942.61, 99,012.74 and 57,085.26

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Solution

The fourth proportional to 65,942.61, 99,012.74 and 57,085.26 is: 85,713.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,942.61 : 99,012.74 = 57,085.26 : x
  2. Step 2: Convert to fraction form
    65,942.61/99,012.74 = 57,085.26/x
  3. Step 3: Cross multiply
    65,942.61x = 99,012.74 × 57,085.26
  4. Step 4: Simplify right side
    65,942.61x = 5,652,167,720.79
  5. Step 5: Solve for x
    x = 5,652,167,720.79/65,942.61
  6. Step 6: Final answer
    x = 85,713.44

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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.