Home / 66,513.23-91,790.21-36,300.50

Finding the Fourth Proportional to 66,513.23, 91,790.21 and 36,300.50

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Solution

The fourth proportional to 66,513.23, 91,790.21 and 36,300.50 is: 50,095.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,513.23 : 91,790.21 = 36,300.50 : x
  2. Step 2: Convert to fraction form
    66,513.23/91,790.21 = 36,300.50/x
  3. Step 3: Cross multiply
    66,513.23x = 91,790.21 × 36,300.50
  4. Step 4: Simplify right side
    66,513.23x = 3,332,029,877.65
  5. Step 5: Solve for x
    x = 3,332,029,877.65/66,513.23
  6. Step 6: Final answer
    x = 50,095.74

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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.