Home / 105,051.80-157,556.44-38,469.19

Finding the Fourth Proportional to 105,051.80, 157,556.44 and 38,469.19

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Solution

The fourth proportional to 105,051.80, 157,556.44 and 38,469.19 is: 57,696.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,051.80 : 157,556.44 = 38,469.19 : x
  2. Step 2: Convert to fraction form
    105,051.80/157,556.44 = 38,469.19/x
  3. Step 3: Cross multiply
    105,051.80x = 157,556.44 × 38,469.19
  4. Step 4: Simplify right side
    105,051.80x = 6,061,068,626.08
  5. Step 5: Solve for x
    x = 6,061,068,626.08/105,051.80
  6. Step 6: Final answer
    x = 57,696.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.