Home / 112,016.49-154,582.67-61,715.49

Finding the Fourth Proportional to 112,016.49, 154,582.67 and 61,715.49

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Solution

The fourth proportional to 112,016.49, 154,582.67 and 61,715.49 is: 85,167.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,016.49 : 154,582.67 = 61,715.49 : x
  2. Step 2: Convert to fraction form
    112,016.49/154,582.67 = 61,715.49/x
  3. Step 3: Cross multiply
    112,016.49x = 154,582.67 × 61,715.49
  4. Step 4: Simplify right side
    112,016.49x = 9,540,145,378.85
  5. Step 5: Solve for x
    x = 9,540,145,378.85/112,016.49
  6. Step 6: Final answer
    x = 85,167.33

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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.