Home / 66,541.50-91,828.08-36,733.50

Finding the Fourth Proportional to 66,541.50, 91,828.08 and 36,733.50

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Solution

The fourth proportional to 66,541.50, 91,828.08 and 36,733.50 is: 50,692.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,541.50 : 91,828.08 = 36,733.50 : x
  2. Step 2: Convert to fraction form
    66,541.50/91,828.08 = 36,733.50/x
  3. Step 3: Cross multiply
    66,541.50x = 91,828.08 × 36,733.50
  4. Step 4: Simplify right side
    66,541.50x = 3,373,166,776.68
  5. Step 5: Solve for x
    x = 3,373,166,776.68/66,541.50
  6. Step 6: Final answer
    x = 50,692.68

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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.