Home / 104,243.22-143,851.77-56,495.52

Finding the Fourth Proportional to 104,243.22, 143,851.77 and 56,495.52

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Solution

The fourth proportional to 104,243.22, 143,851.77 and 56,495.52 is: 77,961.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,243.22 : 143,851.77 = 56,495.52 : x
  2. Step 2: Convert to fraction form
    104,243.22/143,851.77 = 56,495.52/x
  3. Step 3: Cross multiply
    104,243.22x = 143,851.77 × 56,495.52
  4. Step 4: Simplify right side
    104,243.22x = 8,126,980,549.07
  5. Step 5: Solve for x
    x = 8,126,980,549.07/104,243.22
  6. Step 6: Final answer
    x = 77,961.72

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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.