Home / 70,279.96-96,983.58-38,448.04

Finding the Fourth Proportional to 70,279.96, 96,983.58 and 38,448.04

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Solution

The fourth proportional to 70,279.96, 96,983.58 and 38,448.04 is: 53,056.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,279.96 : 96,983.58 = 38,448.04 : x
  2. Step 2: Convert to fraction form
    70,279.96/96,983.58 = 38,448.04/x
  3. Step 3: Cross multiply
    70,279.96x = 96,983.58 × 38,448.04
  4. Step 4: Simplify right side
    70,279.96x = 3,728,828,563.18
  5. Step 5: Solve for x
    x = 3,728,828,563.18/70,279.96
  6. Step 6: Final answer
    x = 53,056.78

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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.