Home / 89,117.94-122,985.62-48,834.27

Finding the Fourth Proportional to 89,117.94, 122,985.62 and 48,834.27

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Solution

The fourth proportional to 89,117.94, 122,985.62 and 48,834.27 is: 67,392.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,117.94 : 122,985.62 = 48,834.27 : x
  2. Step 2: Convert to fraction form
    89,117.94/122,985.62 = 48,834.27/x
  3. Step 3: Cross multiply
    89,117.94x = 122,985.62 × 48,834.27
  4. Step 4: Simplify right side
    89,117.94x = 6,005,912,729.03
  5. Step 5: Solve for x
    x = 6,005,912,729.03/89,117.94
  6. Step 6: Final answer
    x = 67,392.86

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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.