Home / 104,339.22-143,985.51-58,398.18

Finding the Fourth Proportional to 104,339.22, 143,985.51 and 58,398.18

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Solution

The fourth proportional to 104,339.22, 143,985.51 and 58,398.18 is: 80,588.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,339.22 : 143,985.51 = 58,398.18 : x
  2. Step 2: Convert to fraction form
    104,339.22/143,985.51 = 58,398.18/x
  3. Step 3: Cross multiply
    104,339.22x = 143,985.51 × 58,398.18
  4. Step 4: Simplify right side
    104,339.22x = 8,408,491,730.37
  5. Step 5: Solve for x
    x = 8,408,491,730.37/104,339.22
  6. Step 6: Final answer
    x = 80,588.03

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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.