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Finding the Fourth Proportional to 89,846.01, 134,784 and 44,869.41

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Solution

The fourth proportional to 89,846.01, 134,784 and 44,869.41 is: 67,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,846.01 : 134,784 = 44,869.41 : x
  2. Step 2: Convert to fraction form
    89,846.01/134,784 = 44,869.41/x
  3. Step 3: Cross multiply
    89,846.01x = 134,784 × 44,869.41
  4. Step 4: Simplify right side
    89,846.01x = 6,047,678,557.44
  5. Step 5: Solve for x
    x = 6,047,678,557.44/89,846.01
  6. Step 6: Final answer
    x = 67,311.60

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1.5x scale

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.