Home / 71,263.56-106,901.44-18,673.04

Finding the Fourth Proportional to 71,263.56, 106,901.44 and 18,673.04

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Solution

The fourth proportional to 71,263.56, 106,901.44 and 18,673.04 is: 28,011.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,263.56 : 106,901.44 = 18,673.04 : x
  2. Step 2: Convert to fraction form
    71,263.56/106,901.44 = 18,673.04/x
  3. Step 3: Cross multiply
    71,263.56x = 106,901.44 × 18,673.04
  4. Step 4: Simplify right side
    71,263.56x = 1,996,174,865.18
  5. Step 5: Solve for x
    x = 1,996,174,865.18/71,263.56
  6. Step 6: Final answer
    x = 28,011.16

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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.