Home / 70,210.23-96,896.88-40,005.33

Finding the Fourth Proportional to 70,210.23, 96,896.88 and 40,005.33

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Solution

The fourth proportional to 70,210.23, 96,896.88 and 40,005.33 is: 55,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,210.23 : 96,896.88 = 40,005.33 : x
  2. Step 2: Convert to fraction form
    70,210.23/96,896.88 = 40,005.33/x
  3. Step 3: Cross multiply
    70,210.23x = 96,896.88 × 40,005.33
  4. Step 4: Simplify right side
    70,210.23x = 3,876,391,660.37
  5. Step 5: Solve for x
    x = 3,876,391,660.37/70,210.23
  6. Step 6: Final answer
    x = 55,211.21

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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.