Home / 105,109.26-157,570.12-38,533.85

Finding the Fourth Proportional to 105,109.26, 157,570.12 and 38,533.85

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Solution

The fourth proportional to 105,109.26, 157,570.12 and 38,533.85 is: 57,766.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,109.26 : 157,570.12 = 38,533.85 : x
  2. Step 2: Convert to fraction form
    105,109.26/157,570.12 = 38,533.85/x
  3. Step 3: Cross multiply
    105,109.26x = 157,570.12 × 38,533.85
  4. Step 4: Simplify right side
    105,109.26x = 6,071,782,628.88
  5. Step 5: Solve for x
    x = 6,071,782,628.88/105,109.26
  6. Step 6: Final answer
    x = 57,766.39

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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.