Home / 112,019.24-154,579.44-61,718.24

Finding the Fourth Proportional to 112,019.24, 154,579.44 and 61,718.24

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Solution

The fourth proportional to 112,019.24, 154,579.44 and 61,718.24 is: 85,167.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,019.24 : 154,579.44 = 61,718.24 : x
  2. Step 2: Convert to fraction form
    112,019.24/154,579.44 = 61,718.24/x
  3. Step 3: Cross multiply
    112,019.24x = 154,579.44 × 61,718.24
  4. Step 4: Simplify right side
    112,019.24x = 9,540,370,976.99
  5. Step 5: Solve for x
    x = 9,540,370,976.99/112,019.24
  6. Step 6: Final answer
    x = 85,167.25

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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.