Home / 65,840.55-98,776.43-21,467.55

Finding the Fourth Proportional to 65,840.55, 98,776.43 and 21,467.55

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Solution

The fourth proportional to 65,840.55, 98,776.43 and 21,467.55 is: 32,206.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,840.55 : 98,776.43 = 21,467.55 : x
  2. Step 2: Convert to fraction form
    65,840.55/98,776.43 = 21,467.55/x
  3. Step 3: Cross multiply
    65,840.55x = 98,776.43 × 21,467.55
  4. Step 4: Simplify right side
    65,840.55x = 2,120,487,842.51
  5. Step 5: Solve for x
    x = 2,120,487,842.51/65,840.55
  6. Step 6: Final answer
    x = 32,206.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.