Home / 89,079.39-122,899.04-50,811.45

Finding the Fourth Proportional to 89,079.39, 122,899.04 and 50,811.45

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Solution

The fourth proportional to 89,079.39, 122,899.04 and 50,811.45 is: 70,102.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,079.39 : 122,899.04 = 50,811.45 : x
  2. Step 2: Convert to fraction form
    89,079.39/122,899.04 = 50,811.45/x
  3. Step 3: Cross multiply
    89,079.39x = 122,899.04 × 50,811.45
  4. Step 4: Simplify right side
    89,079.39x = 6,244,678,171.95
  5. Step 5: Solve for x
    x = 6,244,678,171.95/89,079.39
  6. Step 6: Final answer
    x = 70,102.39

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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.