Home / 81,548.84-122,181.63-44,134.67

Finding the Fourth Proportional to 81,548.84, 122,181.63 and 44,134.67

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Solution

The fourth proportional to 81,548.84, 122,181.63 and 44,134.67 is: 66,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,548.84 : 122,181.63 = 44,134.67 : x
  2. Step 2: Convert to fraction form
    81,548.84/122,181.63 = 44,134.67/x
  3. Step 3: Cross multiply
    81,548.84x = 122,181.63 × 44,134.67
  4. Step 4: Simplify right side
    81,548.84x = 5,392,445,309.20
  5. Step 5: Solve for x
    x = 5,392,445,309.20/81,548.84
  6. Step 6: Final answer
    x = 66,125.35

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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.