Home / 104,070.48-143,619.48-58,739.76

Finding the Fourth Proportional to 104,070.48, 143,619.48 and 58,739.76

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Solution

The fourth proportional to 104,070.48, 143,619.48 and 58,739.76 is: 81,062.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,070.48 : 143,619.48 = 58,739.76 : x
  2. Step 2: Convert to fraction form
    104,070.48/143,619.48 = 58,739.76/x
  3. Step 3: Cross multiply
    104,070.48x = 143,619.48 × 58,739.76
  4. Step 4: Simplify right side
    104,070.48x = 8,436,173,786.52
  5. Step 5: Solve for x
    x = 8,436,173,786.52/104,070.48
  6. Step 6: Final answer
    x = 81,062.12

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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.