Home / 70,165.36-96,855.90-43,318.72

Finding the Fourth Proportional to 70,165.36, 96,855.90 and 43,318.72

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Solution

The fourth proportional to 70,165.36, 96,855.90 and 43,318.72 is: 59,796.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,165.36 : 96,855.90 = 43,318.72 : x
  2. Step 2: Convert to fraction form
    70,165.36/96,855.90 = 43,318.72/x
  3. Step 3: Cross multiply
    70,165.36x = 96,855.90 × 43,318.72
  4. Step 4: Simplify right side
    70,165.36x = 4,195,673,612.45
  5. Step 5: Solve for x
    x = 4,195,673,612.45/70,165.36
  6. Step 6: Final answer
    x = 59,796.94

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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.