Home / 90,571.26-135,602.52-73,603.38

Finding the Fourth Proportional to 90,571.26, 135,602.52 and 73,603.38

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Solution

The fourth proportional to 90,571.26, 135,602.52 and 73,603.38 is: 110,198.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,571.26 : 135,602.52 = 73,603.38 : x
  2. Step 2: Convert to fraction form
    90,571.26/135,602.52 = 73,603.38/x
  3. Step 3: Cross multiply
    90,571.26x = 135,602.52 × 73,603.38
  4. Step 4: Simplify right side
    90,571.26x = 9,980,803,808.52
  5. Step 5: Solve for x
    x = 9,980,803,808.52/90,571.26
  6. Step 6: Final answer
    x = 110,198.35

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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.