Home / 73,023.85-109,322.25-66,020.05

Finding the Fourth Proportional to 73,023.85, 109,322.25 and 66,020.05

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Solution

The fourth proportional to 73,023.85, 109,322.25 and 66,020.05 is: 98,837.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,023.85 : 109,322.25 = 66,020.05 : x
  2. Step 2: Convert to fraction form
    73,023.85/109,322.25 = 66,020.05/x
  3. Step 3: Cross multiply
    73,023.85x = 109,322.25 × 66,020.05
  4. Step 4: Simplify right side
    73,023.85x = 7,217,460,411.11
  5. Step 5: Solve for x
    x = 7,217,460,411.11/73,023.85
  6. Step 6: Final answer
    x = 98,837.03

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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.