Home / 105,670.07-158,416.26-49,480.57

Finding the Fourth Proportional to 105,670.07, 158,416.26 and 49,480.57

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Solution

The fourth proportional to 105,670.07, 158,416.26 and 49,480.57 is: 74,179.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,670.07 : 158,416.26 = 49,480.57 : x
  2. Step 2: Convert to fraction form
    105,670.07/158,416.26 = 49,480.57/x
  3. Step 3: Cross multiply
    105,670.07x = 158,416.26 × 49,480.57
  4. Step 4: Simplify right side
    105,670.07x = 7,838,526,854.54
  5. Step 5: Solve for x
    x = 7,838,526,854.54/105,670.07
  6. Step 6: Final answer
    x = 74,179.25

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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.