Home / 95,129.64-131,258.88-57,396.60

Finding the Fourth Proportional to 95,129.64, 131,258.88 and 57,396.60

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Solution

The fourth proportional to 95,129.64, 131,258.88 and 57,396.60 is: 79,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,129.64 : 131,258.88 = 57,396.60 : x
  2. Step 2: Convert to fraction form
    95,129.64/131,258.88 = 57,396.60/x
  3. Step 3: Cross multiply
    95,129.64x = 131,258.88 × 57,396.60
  4. Step 4: Simplify right side
    95,129.64x = 7,533,813,431.81
  5. Step 5: Solve for x
    x = 7,533,813,431.81/95,129.64
  6. Step 6: Final answer
    x = 79,195.23

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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.