Home / 89,029.86-122,856.36-48,735.84

Finding the Fourth Proportional to 89,029.86, 122,856.36 and 48,735.84

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Solution

The fourth proportional to 89,029.86, 122,856.36 and 48,735.84 is: 67,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,029.86 : 122,856.36 = 48,735.84 : x
  2. Step 2: Convert to fraction form
    89,029.86/122,856.36 = 48,735.84/x
  3. Step 3: Cross multiply
    89,029.86x = 122,856.36 × 48,735.84
  4. Step 4: Simplify right side
    89,029.86x = 5,987,507,289.66
  5. Step 5: Solve for x
    x = 5,987,507,289.66/89,029.86
  6. Step 6: Final answer
    x = 67,252.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.