Home / 104,284.02-143,835.48-68,460.96

Finding the Fourth Proportional to 104,284.02, 143,835.48 and 68,460.96

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Solution

The fourth proportional to 104,284.02, 143,835.48 and 68,460.96 is: 94,425.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,284.02 : 143,835.48 = 68,460.96 : x
  2. Step 2: Convert to fraction form
    104,284.02/143,835.48 = 68,460.96/x
  3. Step 3: Cross multiply
    104,284.02x = 143,835.48 × 68,460.96
  4. Step 4: Simplify right side
    104,284.02x = 9,847,115,042.86
  5. Step 5: Solve for x
    x = 9,847,115,042.86/104,284.02
  6. Step 6: Final answer
    x = 94,425.92

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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.