Home / 113,865.49-170,902.40-57,744.34

Finding the Fourth Proportional to 113,865.49, 170,902.40 and 57,744.34

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Solution

The fourth proportional to 113,865.49, 170,902.40 and 57,744.34 is: 86,669.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,865.49 : 170,902.40 = 57,744.34 : x
  2. Step 2: Convert to fraction form
    113,865.49/170,902.40 = 57,744.34/x
  3. Step 3: Cross multiply
    113,865.49x = 170,902.40 × 57,744.34
  4. Step 4: Simplify right side
    113,865.49x = 9,868,646,292.42
  5. Step 5: Solve for x
    x = 9,868,646,292.42/113,865.49
  6. Step 6: Final answer
    x = 86,669.33

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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.