Home / 112,039.14-154,621.50-61,738.14

Finding the Fourth Proportional to 112,039.14, 154,621.50 and 61,738.14

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Solution

The fourth proportional to 112,039.14, 154,621.50 and 61,738.14 is: 85,202.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,039.14 : 154,621.50 = 61,738.14 : x
  2. Step 2: Convert to fraction form
    112,039.14/154,621.50 = 61,738.14/x
  3. Step 3: Cross multiply
    112,039.14x = 154,621.50 × 61,738.14
  4. Step 4: Simplify right side
    112,039.14x = 9,546,043,814.01
  5. Step 5: Solve for x
    x = 9,546,043,814.01/112,039.14
  6. Step 6: Final answer
    x = 85,202.76

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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.