Home / 70,170.72-96,855.12-43,317.60

Finding the Fourth Proportional to 70,170.72, 96,855.12 and 43,317.60

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Solution

The fourth proportional to 70,170.72, 96,855.12 and 43,317.60 is: 59,790.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,170.72 : 96,855.12 = 43,317.60 : x
  2. Step 2: Convert to fraction form
    70,170.72/96,855.12 = 43,317.60/x
  3. Step 3: Cross multiply
    70,170.72x = 96,855.12 × 43,317.60
  4. Step 4: Simplify right side
    70,170.72x = 4,195,531,346.11
  5. Step 5: Solve for x
    x = 4,195,531,346.11/70,170.72
  6. Step 6: Final answer
    x = 59,790.34

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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.