Home / 80,138.12-110,598.66-44,330.84

Finding the Fourth Proportional to 80,138.12, 110,598.66 and 44,330.84

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Solution

The fourth proportional to 80,138.12, 110,598.66 and 44,330.84 is: 61,181.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,138.12 : 110,598.66 = 44,330.84 : x
  2. Step 2: Convert to fraction form
    80,138.12/110,598.66 = 44,330.84/x
  3. Step 3: Cross multiply
    80,138.12x = 110,598.66 × 44,330.84
  4. Step 4: Simplify right side
    80,138.12x = 4,902,931,500.67
  5. Step 5: Solve for x
    x = 4,902,931,500.67/80,138.12
  6. Step 6: Final answer
    x = 61,181.01

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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.