Home / 86,972.96-130,496.58-37,076.56

Finding the Fourth Proportional to 86,972.96, 130,496.58 and 37,076.56

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Solution

The fourth proportional to 86,972.96, 130,496.58 and 37,076.56 is: 55,630.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,972.96 : 130,496.58 = 37,076.56 : x
  2. Step 2: Convert to fraction form
    86,972.96/130,496.58 = 37,076.56/x
  3. Step 3: Cross multiply
    86,972.96x = 130,496.58 × 37,076.56
  4. Step 4: Simplify right side
    86,972.96x = 4,838,363,625.68
  5. Step 5: Solve for x
    x = 4,838,363,625.68/86,972.96
  6. Step 6: Final answer
    x = 55,630.67

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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.