Home / 104,991.23-144,888.57-57,245.37

Finding the Fourth Proportional to 104,991.23, 144,888.57 and 57,245.37

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Solution

The fourth proportional to 104,991.23, 144,888.57 and 57,245.37 is: 78,998.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,991.23 : 144,888.57 = 57,245.37 : x
  2. Step 2: Convert to fraction form
    104,991.23/144,888.57 = 57,245.37/x
  3. Step 3: Cross multiply
    104,991.23x = 144,888.57 × 57,245.37
  4. Step 4: Simplify right side
    104,991.23x = 8,294,199,798.42
  5. Step 5: Solve for x
    x = 8,294,199,798.42/104,991.23
  6. Step 6: Final answer
    x = 78,998.98

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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.