Home / 104,083.36-143,634.78-56,336.32

Finding the Fourth Proportional to 104,083.36, 143,634.78 and 56,336.32

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Solution

The fourth proportional to 104,083.36, 143,634.78 and 56,336.32 is: 77,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,083.36 : 143,634.78 = 56,336.32 : x
  2. Step 2: Convert to fraction form
    104,083.36/143,634.78 = 56,336.32/x
  3. Step 3: Cross multiply
    104,083.36x = 143,634.78 × 56,336.32
  4. Step 4: Simplify right side
    104,083.36x = 8,091,854,929.21
  5. Step 5: Solve for x
    x = 8,091,854,929.21/104,083.36
  6. Step 6: Final answer
    x = 77,743.98

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1.5x scale

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.