Home / 86,311.52-119,094-48,577.76

Finding the Fourth Proportional to 86,311.52, 119,094 and 48,577.76

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Solution

The fourth proportional to 86,311.52, 119,094 and 48,577.76 is: 67,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,311.52 : 119,094 = 48,577.76 : x
  2. Step 2: Convert to fraction form
    86,311.52/119,094 = 48,577.76/x
  3. Step 3: Cross multiply
    86,311.52x = 119,094 × 48,577.76
  4. Step 4: Simplify right side
    86,311.52x = 5,785,319,749.44
  5. Step 5: Solve for x
    x = 5,785,319,749.44/86,311.52
  6. Step 6: Final answer
    x = 67,028.36

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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.