Home / 90,452.16-135,603.72-43,048.44

Finding the Fourth Proportional to 90,452.16, 135,603.72 and 43,048.44

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Solution

The fourth proportional to 90,452.16, 135,603.72 and 43,048.44 is: 64,537.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,452.16 : 135,603.72 = 43,048.44 : x
  2. Step 2: Convert to fraction form
    90,452.16/135,603.72 = 43,048.44/x
  3. Step 3: Cross multiply
    90,452.16x = 135,603.72 × 43,048.44
  4. Step 4: Simplify right side
    90,452.16x = 5,837,528,604.20
  5. Step 5: Solve for x
    x = 5,837,528,604.20/90,452.16
  6. Step 6: Final answer
    x = 64,537.19

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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.