Home / 66,622.17-91,937.47-36,406.83

Finding the Fourth Proportional to 66,622.17, 91,937.47 and 36,406.83

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Solution

The fourth proportional to 66,622.17, 91,937.47 and 36,406.83 is: 50,240.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,622.17 : 91,937.47 = 36,406.83 : x
  2. Step 2: Convert to fraction form
    66,622.17/91,937.47 = 36,406.83/x
  3. Step 3: Cross multiply
    66,622.17x = 91,937.47 × 36,406.83
  4. Step 4: Simplify right side
    66,622.17x = 3,347,151,840.92
  5. Step 5: Solve for x
    x = 3,347,151,840.92/66,622.17
  6. Step 6: Final answer
    x = 50,240.81

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1.5x scale

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.