Home / 70,936.08-97,891.80-39,104.64

Finding the Fourth Proportional to 70,936.08, 97,891.80 and 39,104.64

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Solution

The fourth proportional to 70,936.08, 97,891.80 and 39,104.64 is: 53,964.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,936.08 : 97,891.80 = 39,104.64 : x
  2. Step 2: Convert to fraction form
    70,936.08/97,891.80 = 39,104.64/x
  3. Step 3: Cross multiply
    70,936.08x = 97,891.80 × 39,104.64
  4. Step 4: Simplify right side
    70,936.08x = 3,828,023,597.95
  5. Step 5: Solve for x
    x = 3,828,023,597.95/70,936.08
  6. Step 6: Final answer
    x = 53,964.41

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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.