Home / 117,764.85-162,516.24-64,050.25

Finding the Fourth Proportional to 117,764.85, 162,516.24 and 64,050.25

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Solution

The fourth proportional to 117,764.85, 162,516.24 and 64,050.25 is: 88,389.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,764.85 : 162,516.24 = 64,050.25 : x
  2. Step 2: Convert to fraction form
    117,764.85/162,516.24 = 64,050.25/x
  3. Step 3: Cross multiply
    117,764.85x = 162,516.24 × 64,050.25
  4. Step 4: Simplify right side
    117,764.85x = 10,409,205,801.06
  5. Step 5: Solve for x
    x = 10,409,205,801.06/117,764.85
  6. Step 6: Final answer
    x = 88,389.75

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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.