Home / 87,072.12-130,512.57-44,955.36

Finding the Fourth Proportional to 87,072.12, 130,512.57 and 44,955.36

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Solution

The fourth proportional to 87,072.12, 130,512.57 and 44,955.36 is: 67,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,072.12 : 130,512.57 = 44,955.36 : x
  2. Step 2: Convert to fraction form
    87,072.12/130,512.57 = 44,955.36/x
  3. Step 3: Cross multiply
    87,072.12x = 130,512.57 × 44,955.36
  4. Step 4: Simplify right side
    87,072.12x = 5,867,239,400.29
  5. Step 5: Solve for x
    x = 5,867,239,400.29/87,072.12
  6. Step 6: Final answer
    x = 67,383.67

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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.