Home / 85,004.72-127,506.04-38,224.56

Finding the Fourth Proportional to 85,004.72, 127,506.04 and 38,224.56

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Solution

The fourth proportional to 85,004.72, 127,506.04 and 38,224.56 is: 57,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,004.72 : 127,506.04 = 38,224.56 : x
  2. Step 2: Convert to fraction form
    85,004.72/127,506.04 = 38,224.56/x
  3. Step 3: Cross multiply
    85,004.72x = 127,506.04 × 38,224.56
  4. Step 4: Simplify right side
    85,004.72x = 4,873,862,276.34
  5. Step 5: Solve for x
    x = 4,873,862,276.34/85,004.72
  6. Step 6: Final answer
    x = 57,336.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.