Home / 73,862.84-110,784.52-20,558.36

Finding the Fourth Proportional to 73,862.84, 110,784.52 and 20,558.36

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Solution

The fourth proportional to 73,862.84, 110,784.52 and 20,558.36 is: 30,834.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,862.84 : 110,784.52 = 20,558.36 : x
  2. Step 2: Convert to fraction form
    73,862.84/110,784.52 = 20,558.36/x
  3. Step 3: Cross multiply
    73,862.84x = 110,784.52 × 20,558.36
  4. Step 4: Simplify right side
    73,862.84x = 2,277,548,044.59
  5. Step 5: Solve for x
    x = 2,277,548,044.59/73,862.84
  6. Step 6: Final answer
    x = 30,834.83

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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.