Home / 104,335.98-143,983.35-56,588.64

Finding the Fourth Proportional to 104,335.98, 143,983.35 and 56,588.64

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Solution

The fourth proportional to 104,335.98, 143,983.35 and 56,588.64 is: 78,092.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,335.98 : 143,983.35 = 56,588.64 : x
  2. Step 2: Convert to fraction form
    104,335.98/143,983.35 = 56,588.64/x
  3. Step 3: Cross multiply
    104,335.98x = 143,983.35 × 56,588.64
  4. Step 4: Simplify right side
    104,335.98x = 8,147,821,959.14
  5. Step 5: Solve for x
    x = 8,147,821,959.14/104,335.98
  6. Step 6: Final answer
    x = 78,092.16

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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.