Home / 72,870.22-100,563.96-41,039.02

Finding the Fourth Proportional to 72,870.22, 100,563.96 and 41,039.02

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Solution

The fourth proportional to 72,870.22, 100,563.96 and 41,039.02 is: 56,635.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,870.22 : 100,563.96 = 41,039.02 : x
  2. Step 2: Convert to fraction form
    72,870.22/100,563.96 = 41,039.02/x
  3. Step 3: Cross multiply
    72,870.22x = 100,563.96 × 41,039.02
  4. Step 4: Simplify right side
    72,870.22x = 4,127,046,365.72
  5. Step 5: Solve for x
    x = 4,127,046,365.72/72,870.22
  6. Step 6: Final answer
    x = 56,635.57

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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.