Home / 102,672.20-154,094.70-50,126.60

Finding the Fourth Proportional to 102,672.20, 154,094.70 and 50,126.60

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Solution

The fourth proportional to 102,672.20, 154,094.70 and 50,126.60 is: 75,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,672.20 : 154,094.70 = 50,126.60 : x
  2. Step 2: Convert to fraction form
    102,672.20/154,094.70 = 50,126.60/x
  3. Step 3: Cross multiply
    102,672.20x = 154,094.70 × 50,126.60
  4. Step 4: Simplify right side
    102,672.20x = 7,724,243,389.02
  5. Step 5: Solve for x
    x = 7,724,243,389.02/102,672.20
  6. Step 6: Final answer
    x = 75,232.08

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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.