Home / 89,118.96-122,987.01-48,835.27

Finding the Fourth Proportional to 89,118.96, 122,987.01 and 48,835.27

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Solution

The fourth proportional to 89,118.96, 122,987.01 and 48,835.27 is: 67,394.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,118.96 : 122,987.01 = 48,835.27 : x
  2. Step 2: Convert to fraction form
    89,118.96/122,987.01 = 48,835.27/x
  3. Step 3: Cross multiply
    89,118.96x = 122,987.01 × 48,835.27
  4. Step 4: Simplify right side
    89,118.96x = 6,006,103,839.84
  5. Step 5: Solve for x
    x = 6,006,103,839.84/89,118.96
  6. Step 6: Final answer
    x = 67,394.23

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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.