Home / 94,682.72-142,015.44-87,258.08

Finding the Fourth Proportional to 94,682.72, 142,015.44 and 87,258.08

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Solution

The fourth proportional to 94,682.72, 142,015.44 and 87,258.08 is: 130,879.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,682.72 : 142,015.44 = 87,258.08 : x
  2. Step 2: Convert to fraction form
    94,682.72/142,015.44 = 87,258.08/x
  3. Step 3: Cross multiply
    94,682.72x = 142,015.44 × 87,258.08
  4. Step 4: Simplify right side
    94,682.72x = 12,391,994,624.76
  5. Step 5: Solve for x
    x = 12,391,994,624.76/94,682.72
  6. Step 6: Final answer
    x = 130,879.16

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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.