Home / 89,011.50-122,849.61-50,771.13

Finding the Fourth Proportional to 89,011.50, 122,849.61 and 50,771.13

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Solution

The fourth proportional to 89,011.50, 122,849.61 and 50,771.13 is: 70,072.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,011.50 : 122,849.61 = 50,771.13 : x
  2. Step 2: Convert to fraction form
    89,011.50/122,849.61 = 50,771.13/x
  3. Step 3: Cross multiply
    89,011.50x = 122,849.61 × 50,771.13
  4. Step 4: Simplify right side
    89,011.50x = 6,237,213,519.76
  5. Step 5: Solve for x
    x = 6,237,213,519.76/89,011.50
  6. Step 6: Final answer
    x = 70,072.00

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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.