Home / 74,520.57-111,777.61-18,358.01

Finding the Fourth Proportional to 74,520.57, 111,777.61 and 18,358.01

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Solution

The fourth proportional to 74,520.57, 111,777.61 and 18,358.01 is: 27,536.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,520.57 : 111,777.61 = 18,358.01 : x
  2. Step 2: Convert to fraction form
    74,520.57/111,777.61 = 18,358.01/x
  3. Step 3: Cross multiply
    74,520.57x = 111,777.61 × 18,358.01
  4. Step 4: Simplify right side
    74,520.57x = 2,052,014,482.16
  5. Step 5: Solve for x
    x = 2,052,014,482.16/74,520.57
  6. Step 6: Final answer
    x = 27,536.22

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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.