Home / 112,017.24-154,583.71-61,716.24

Finding the Fourth Proportional to 112,017.24, 154,583.71 and 61,716.24

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Solution

The fourth proportional to 112,017.24, 154,583.71 and 61,716.24 is: 85,168.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,017.24 : 154,583.71 = 61,716.24 : x
  2. Step 2: Convert to fraction form
    112,017.24/154,583.71 = 61,716.24/x
  3. Step 3: Cross multiply
    112,017.24x = 154,583.71 × 61,716.24
  4. Step 4: Simplify right side
    112,017.24x = 9,540,325,192.16
  5. Step 5: Solve for x
    x = 9,540,325,192.16/112,017.24
  6. Step 6: Final answer
    x = 85,168.37

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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.