Home / 71,433.09-98,622.50-45,983.70

Finding the Fourth Proportional to 71,433.09, 98,622.50 and 45,983.70

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Solution

The fourth proportional to 71,433.09, 98,622.50 and 45,983.70 is: 63,486.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,433.09 : 98,622.50 = 45,983.70 : x
  2. Step 2: Convert to fraction form
    71,433.09/98,622.50 = 45,983.70/x
  3. Step 3: Cross multiply
    71,433.09x = 98,622.50 × 45,983.70
  4. Step 4: Simplify right side
    71,433.09x = 4,535,027,223.33
  5. Step 5: Solve for x
    x = 4,535,027,223.33/71,433.09
  6. Step 6: Final answer
    x = 63,486.36

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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.