Home / 104,660.16-144,431.36-56,913.44

Finding the Fourth Proportional to 104,660.16, 144,431.36 and 56,913.44

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Solution

The fourth proportional to 104,660.16, 144,431.36 and 56,913.44 is: 78,540.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,660.16 : 144,431.36 = 56,913.44 : x
  2. Step 2: Convert to fraction form
    104,660.16/144,431.36 = 56,913.44/x
  3. Step 3: Cross multiply
    104,660.16x = 144,431.36 × 56,913.44
  4. Step 4: Simplify right side
    104,660.16x = 8,220,085,541.48
  5. Step 5: Solve for x
    x = 8,220,085,541.48/104,660.16
  6. Step 6: Final answer
    x = 78,540.73

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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.