Home / 111,942.81-154,477.53-60,954.12

Finding the Fourth Proportional to 111,942.81, 154,477.53 and 60,954.12

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Solution

The fourth proportional to 111,942.81, 154,477.53 and 60,954.12 is: 84,114.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,942.81 : 154,477.53 = 60,954.12 : x
  2. Step 2: Convert to fraction form
    111,942.81/154,477.53 = 60,954.12/x
  3. Step 3: Cross multiply
    111,942.81x = 154,477.53 × 60,954.12
  4. Step 4: Simplify right side
    111,942.81x = 9,416,041,900.92
  5. Step 5: Solve for x
    x = 9,416,041,900.92/111,942.81
  6. Step 6: Final answer
    x = 84,114.75

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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.