Home / 66,513.18-91,790.14-36,300.44

Finding the Fourth Proportional to 66,513.18, 91,790.14 and 36,300.44

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Solution

The fourth proportional to 66,513.18, 91,790.14 and 36,300.44 is: 50,095.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,513.18 : 91,790.14 = 36,300.44 : x
  2. Step 2: Convert to fraction form
    66,513.18/91,790.14 = 36,300.44/x
  3. Step 3: Cross multiply
    66,513.18x = 91,790.14 × 36,300.44
  4. Step 4: Simplify right side
    66,513.18x = 3,332,022,445.27
  5. Step 5: Solve for x
    x = 3,332,022,445.27/66,513.18
  6. Step 6: Final answer
    x = 50,095.67

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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.