Home / 117,429.72-162,050.97-71,472.75

Finding the Fourth Proportional to 117,429.72, 162,050.97 and 71,472.75

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Solution

The fourth proportional to 117,429.72, 162,050.97 and 71,472.75 is: 98,631.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,429.72 : 162,050.97 = 71,472.75 : x
  2. Step 2: Convert to fraction form
    117,429.72/162,050.97 = 71,472.75/x
  3. Step 3: Cross multiply
    117,429.72x = 162,050.97 × 71,472.75
  4. Step 4: Simplify right side
    117,429.72x = 11,582,228,466.07
  5. Step 5: Solve for x
    x = 11,582,228,466.07/117,429.72
  6. Step 6: Final answer
    x = 98,631.15

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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.