Home / 88,201.46-121,718.24-47,914.89

Finding the Fourth Proportional to 88,201.46, 121,718.24 and 47,914.89

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Solution

The fourth proportional to 88,201.46, 121,718.24 and 47,914.89 is: 66,122.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,201.46 : 121,718.24 = 47,914.89 : x
  2. Step 2: Convert to fraction form
    88,201.46/121,718.24 = 47,914.89/x
  3. Step 3: Cross multiply
    88,201.46x = 121,718.24 × 47,914.89
  4. Step 4: Simplify right side
    88,201.46x = 5,832,115,841.02
  5. Step 5: Solve for x
    x = 5,832,115,841.02/88,201.46
  6. Step 6: Final answer
    x = 66,122.67

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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.