Home / 45,327.80-67,925.30-40,647.80

Finding the Fourth Proportional to 45,327.80, 67,925.30 and 40,647.80

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Solution

The fourth proportional to 45,327.80, 67,925.30 and 40,647.80 is: 60,912.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,327.80 : 67,925.30 = 40,647.80 : x
  2. Step 2: Convert to fraction form
    45,327.80/67,925.30 = 40,647.80/x
  3. Step 3: Cross multiply
    45,327.80x = 67,925.30 × 40,647.80
  4. Step 4: Simplify right side
    45,327.80x = 2,761,014,009.34
  5. Step 5: Solve for x
    x = 2,761,014,009.34/45,327.80
  6. Step 6: Final answer
    x = 60,912.16

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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.