Home / 74,041.80-102,177.44-40,050.36

Finding the Fourth Proportional to 74,041.80, 102,177.44 and 40,050.36

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Solution

The fourth proportional to 74,041.80, 102,177.44 and 40,050.36 is: 55,269.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,041.80 : 102,177.44 = 40,050.36 : x
  2. Step 2: Convert to fraction form
    74,041.80/102,177.44 = 40,050.36/x
  3. Step 3: Cross multiply
    74,041.80x = 102,177.44 × 40,050.36
  4. Step 4: Simplify right side
    74,041.80x = 4,092,243,255.88
  5. Step 5: Solve for x
    x = 4,092,243,255.88/74,041.80
  6. Step 6: Final answer
    x = 55,269.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.