Home / 65,872.20-90,886.14-37,577.28

Finding the Fourth Proportional to 65,872.20, 90,886.14 and 37,577.28

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Solution

The fourth proportional to 65,872.20, 90,886.14 and 37,577.28 is: 51,846.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,872.20 : 90,886.14 = 37,577.28 : x
  2. Step 2: Convert to fraction form
    65,872.20/90,886.14 = 37,577.28/x
  3. Step 3: Cross multiply
    65,872.20x = 90,886.14 × 37,577.28
  4. Step 4: Simplify right side
    65,872.20x = 3,415,253,930.90
  5. Step 5: Solve for x
    x = 3,415,253,930.90/65,872.20
  6. Step 6: Final answer
    x = 51,846.67

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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.