Home / 74,525.40-111,647.28-44,039.60

Finding the Fourth Proportional to 74,525.40, 111,647.28 and 44,039.60

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Solution

The fourth proportional to 74,525.40, 111,647.28 and 44,039.60 is: 65,976.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,525.40 : 111,647.28 = 44,039.60 : x
  2. Step 2: Convert to fraction form
    74,525.40/111,647.28 = 44,039.60/x
  3. Step 3: Cross multiply
    74,525.40x = 111,647.28 × 44,039.60
  4. Step 4: Simplify right side
    74,525.40x = 4,916,901,552.29
  5. Step 5: Solve for x
    x = 4,916,901,552.29/74,525.40
  6. Step 6: Final answer
    x = 65,976.18

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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.