Home / 112,016.06-154,582.07-61,715.06

Finding the Fourth Proportional to 112,016.06, 154,582.07 and 61,715.06

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Solution

The fourth proportional to 112,016.06, 154,582.07 and 61,715.06 is: 85,166.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,016.06 : 154,582.07 = 61,715.06 : x
  2. Step 2: Convert to fraction form
    112,016.06/154,582.07 = 61,715.06/x
  3. Step 3: Cross multiply
    112,016.06x = 154,582.07 × 61,715.06
  4. Step 4: Simplify right side
    112,016.06x = 9,540,041,724.97
  5. Step 5: Solve for x
    x = 9,540,041,724.97/112,016.06
  6. Step 6: Final answer
    x = 85,166.73

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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.