Home / 117,576.74-162,258.82-63,861.14

Finding the Fourth Proportional to 117,576.74, 162,258.82 and 63,861.14

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Solution

The fourth proportional to 117,576.74, 162,258.82 and 63,861.14 is: 88,129.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,576.74 : 162,258.82 = 63,861.14 : x
  2. Step 2: Convert to fraction form
    117,576.74/162,258.82 = 63,861.14/x
  3. Step 3: Cross multiply
    117,576.74x = 162,258.82 × 63,861.14
  4. Step 4: Simplify right side
    117,576.74x = 10,362,033,220.25
  5. Step 5: Solve for x
    x = 10,362,033,220.25/117,576.74
  6. Step 6: Final answer
    x = 88,129.96

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1.5x scale

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.