Home / 70,937.08-97,893.18-39,105.64

Finding the Fourth Proportional to 70,937.08, 97,893.18 and 39,105.64

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Solution

The fourth proportional to 70,937.08, 97,893.18 and 39,105.64 is: 53,965.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,937.08 : 97,893.18 = 39,105.64 : x
  2. Step 2: Convert to fraction form
    70,937.08/97,893.18 = 39,105.64/x
  3. Step 3: Cross multiply
    70,937.08x = 97,893.18 × 39,105.64
  4. Step 4: Simplify right side
    70,937.08x = 3,828,175,455.54
  5. Step 5: Solve for x
    x = 3,828,175,455.54/70,937.08
  6. Step 6: Final answer
    x = 53,965.79

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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.