Home / 70,285.12-96,995.78-38,453.29

Finding the Fourth Proportional to 70,285.12, 96,995.78 and 38,453.29

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Solution

The fourth proportional to 70,285.12, 96,995.78 and 38,453.29 is: 53,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,285.12 : 96,995.78 = 38,453.29 : x
  2. Step 2: Convert to fraction form
    70,285.12/96,995.78 = 38,453.29/x
  3. Step 3: Cross multiply
    70,285.12x = 96,995.78 × 38,453.29
  4. Step 4: Simplify right side
    70,285.12x = 3,729,806,664.85
  5. Step 5: Solve for x
    x = 3,729,806,664.85/70,285.12
  6. Step 6: Final answer
    x = 53,066.80

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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.