Home / 104,991.66-144,888.48-57,245.13

Finding the Fourth Proportional to 104,991.66, 144,888.48 and 57,245.13

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Solution

The fourth proportional to 104,991.66, 144,888.48 and 57,245.13 is: 78,998.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,991.66 : 144,888.48 = 57,245.13 : x
  2. Step 2: Convert to fraction form
    104,991.66/144,888.48 = 57,245.13/x
  3. Step 3: Cross multiply
    104,991.66x = 144,888.48 × 57,245.13
  4. Step 4: Simplify right side
    104,991.66x = 8,294,159,873.10
  5. Step 5: Solve for x
    x = 8,294,159,873.10/104,991.66
  6. Step 6: Final answer
    x = 78,998.27

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1.5x scale

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.