Home / 90,629.31-135,804.24-48,514.98

Finding the Fourth Proportional to 90,629.31, 135,804.24 and 48,514.98

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Solution

The fourth proportional to 90,629.31, 135,804.24 and 48,514.98 is: 72,697.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,629.31 : 135,804.24 = 48,514.98 : x
  2. Step 2: Convert to fraction form
    90,629.31/135,804.24 = 48,514.98/x
  3. Step 3: Cross multiply
    90,629.31x = 135,804.24 × 48,514.98
  4. Step 4: Simplify right side
    90,629.31x = 6,588,539,987.52
  5. Step 5: Solve for x
    x = 6,588,539,987.52/90,629.31
  6. Step 6: Final answer
    x = 72,697.67

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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.