Home / 70,936.39-97,896.63-39,105.24

Finding the Fourth Proportional to 70,936.39, 97,896.63 and 39,105.24

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Solution

The fourth proportional to 70,936.39, 97,896.63 and 39,105.24 is: 53,967.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,936.39 : 97,896.63 = 39,105.24 : x
  2. Step 2: Convert to fraction form
    70,936.39/97,896.63 = 39,105.24/x
  3. Step 3: Cross multiply
    70,936.39x = 97,896.63 × 39,105.24
  4. Step 4: Simplify right side
    70,936.39x = 3,828,271,211.34
  5. Step 5: Solve for x
    x = 3,828,271,211.34/70,936.39
  6. Step 6: Final answer
    x = 53,967.66

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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.