Home / 65,899.16-98,847.88-26,455.56

Finding the Fourth Proportional to 65,899.16, 98,847.88 and 26,455.56

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Solution

The fourth proportional to 65,899.16, 98,847.88 and 26,455.56 is: 39,682.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,899.16 : 98,847.88 = 26,455.56 : x
  2. Step 2: Convert to fraction form
    65,899.16/98,847.88 = 26,455.56/x
  3. Step 3: Cross multiply
    65,899.16x = 98,847.88 × 26,455.56
  4. Step 4: Simplify right side
    65,899.16x = 2,615,076,020.21
  5. Step 5: Solve for x
    x = 2,615,076,020.21/65,899.16
  6. Step 6: Final answer
    x = 39,682.99

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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.