Home / 97,091.15-134,027.24-65,278.50

Finding the Fourth Proportional to 97,091.15, 134,027.24 and 65,278.50

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Solution

The fourth proportional to 97,091.15, 134,027.24 and 65,278.50 is: 90,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,091.15 : 134,027.24 = 65,278.50 : x
  2. Step 2: Convert to fraction form
    97,091.15/134,027.24 = 65,278.50/x
  3. Step 3: Cross multiply
    97,091.15x = 134,027.24 × 65,278.50
  4. Step 4: Simplify right side
    97,091.15x = 8,749,096,859.95
  5. Step 5: Solve for x
    x = 8,749,096,859.95/97,091.15
  6. Step 6: Final answer
    x = 90,112.20

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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.