Home / 75,054.26-112,571.67-28,301.06

Finding the Fourth Proportional to 75,054.26, 112,571.67 and 28,301.06

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Solution

The fourth proportional to 75,054.26, 112,571.67 and 28,301.06 is: 42,447.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,054.26 : 112,571.67 = 28,301.06 : x
  2. Step 2: Convert to fraction form
    75,054.26/112,571.67 = 28,301.06/x
  3. Step 3: Cross multiply
    75,054.26x = 112,571.67 × 28,301.06
  4. Step 4: Simplify right side
    75,054.26x = 3,185,897,974.53
  5. Step 5: Solve for x
    x = 3,185,897,974.53/75,054.26
  6. Step 6: Final answer
    x = 42,447.93

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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.