Home / 97,917.06-146,762.87-45,215.76

Finding the Fourth Proportional to 97,917.06, 146,762.87 and 45,215.76

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Solution

The fourth proportional to 97,917.06, 146,762.87 and 45,215.76 is: 67,771.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,917.06 : 146,762.87 = 45,215.76 : x
  2. Step 2: Convert to fraction form
    97,917.06/146,762.87 = 45,215.76/x
  3. Step 3: Cross multiply
    97,917.06x = 146,762.87 × 45,215.76
  4. Step 4: Simplify right side
    97,917.06x = 6,635,994,480.75
  5. Step 5: Solve for x
    x = 6,635,994,480.75/97,917.06
  6. Step 6: Final answer
    x = 67,771.59

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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.