Home / 78,727.17-108,638.04-44,277.03

Finding the Fourth Proportional to 78,727.17, 108,638.04 and 44,277.03

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Solution

The fourth proportional to 78,727.17, 108,638.04 and 44,277.03 is: 61,099.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,727.17 : 108,638.04 = 44,277.03 : x
  2. Step 2: Convert to fraction form
    78,727.17/108,638.04 = 44,277.03/x
  3. Step 3: Cross multiply
    78,727.17x = 108,638.04 × 44,277.03
  4. Step 4: Simplify right side
    78,727.17x = 4,810,169,756.22
  5. Step 5: Solve for x
    x = 4,810,169,756.22/78,727.17
  6. Step 6: Final answer
    x = 61,099.23

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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.