Home / 70,210.40-96,883.49-39,993.35

Finding the Fourth Proportional to 70,210.40, 96,883.49 and 39,993.35

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Solution

The fourth proportional to 70,210.40, 96,883.49 and 39,993.35 is: 55,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,210.40 : 96,883.49 = 39,993.35 : x
  2. Step 2: Convert to fraction form
    70,210.40/96,883.49 = 39,993.35/x
  3. Step 3: Cross multiply
    70,210.40x = 96,883.49 × 39,993.35
  4. Step 4: Simplify right side
    70,210.40x = 3,874,694,940.36
  5. Step 5: Solve for x
    x = 3,874,694,940.36/70,210.40
  6. Step 6: Final answer
    x = 55,186.91

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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.