Home / 113,276.27-156,321.90-62,290.01

Finding the Fourth Proportional to 113,276.27, 156,321.90 and 62,290.01

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Solution

The fourth proportional to 113,276.27, 156,321.90 and 62,290.01 is: 85,960.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,276.27 : 156,321.90 = 62,290.01 : x
  2. Step 2: Convert to fraction form
    113,276.27/156,321.90 = 62,290.01/x
  3. Step 3: Cross multiply
    113,276.27x = 156,321.90 × 62,290.01
  4. Step 4: Simplify right side
    113,276.27x = 9,737,293,105.02
  5. Step 5: Solve for x
    x = 9,737,293,105.02/113,276.27
  6. Step 6: Final answer
    x = 85,960.57

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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.