Home / 118,047.71-162,887.22-66,354.62

Finding the Fourth Proportional to 118,047.71, 162,887.22 and 66,354.62

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Solution

The fourth proportional to 118,047.71, 162,887.22 and 66,354.62 is: 91,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,047.71 : 162,887.22 = 66,354.62 : x
  2. Step 2: Convert to fraction form
    118,047.71/162,887.22 = 66,354.62/x
  3. Step 3: Cross multiply
    118,047.71x = 162,887.22 × 66,354.62
  4. Step 4: Simplify right side
    118,047.71x = 10,808,318,771.52
  5. Step 5: Solve for x
    x = 10,808,318,771.52/118,047.71
  6. Step 6: Final answer
    x = 91,558.90

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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.