Home / 71,935.06-99,347.84-54,756.04

Finding the Fourth Proportional to 71,935.06, 99,347.84 and 54,756.04

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Solution

The fourth proportional to 71,935.06, 99,347.84 and 54,756.04 is: 75,622.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,935.06 : 99,347.84 = 54,756.04 : x
  2. Step 2: Convert to fraction form
    71,935.06/99,347.84 = 54,756.04/x
  3. Step 3: Cross multiply
    71,935.06x = 99,347.84 × 54,756.04
  4. Step 4: Simplify right side
    71,935.06x = 5,439,894,027.17
  5. Step 5: Solve for x
    x = 5,439,894,027.17/71,935.06
  6. Step 6: Final answer
    x = 75,622.29

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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.