Home / 71,308.12-98,415.48-41,087.65

Finding the Fourth Proportional to 71,308.12, 98,415.48 and 41,087.65

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Solution

The fourth proportional to 71,308.12, 98,415.48 and 41,087.65 is: 56,706.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,308.12 : 98,415.48 = 41,087.65 : x
  2. Step 2: Convert to fraction form
    71,308.12/98,415.48 = 41,087.65/x
  3. Step 3: Cross multiply
    71,308.12x = 98,415.48 × 41,087.65
  4. Step 4: Simplify right side
    71,308.12x = 4,043,660,796.82
  5. Step 5: Solve for x
    x = 4,043,660,796.82/71,308.12
  6. Step 6: Final answer
    x = 56,706.88

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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.