Home / 115,124.22-158,827.76-69,785.67

Finding the Fourth Proportional to 115,124.22, 158,827.76 and 69,785.67

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Solution

The fourth proportional to 115,124.22, 158,827.76 and 69,785.67 is: 96,277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,124.22 : 158,827.76 = 69,785.67 : x
  2. Step 2: Convert to fraction form
    115,124.22/158,827.76 = 69,785.67/x
  3. Step 3: Cross multiply
    115,124.22x = 158,827.76 × 69,785.67
  4. Step 4: Simplify right side
    115,124.22x = 11,083,901,297.27
  5. Step 5: Solve for x
    x = 11,083,901,297.27/115,124.22
  6. Step 6: Final answer
    x = 96,277.75

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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.