Home / 89,118.94-122,987-48,835.27

Finding the Fourth Proportional to 89,118.94, 122,987 and 48,835.27

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Solution

The fourth proportional to 89,118.94, 122,987 and 48,835.27 is: 67,394.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,118.94 : 122,987 = 48,835.27 : x
  2. Step 2: Convert to fraction form
    89,118.94/122,987 = 48,835.27/x
  3. Step 3: Cross multiply
    89,118.94x = 122,987 × 48,835.27
  4. Step 4: Simplify right side
    89,118.94x = 6,006,103,351.49
  5. Step 5: Solve for x
    x = 6,006,103,351.49/89,118.94
  6. Step 6: Final answer
    x = 67,394.24

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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.