Home / 63,104.22-87,045.18-40,435.56

Finding the Fourth Proportional to 63,104.22, 87,045.18 and 40,435.56

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Solution

The fourth proportional to 63,104.22, 87,045.18 and 40,435.56 is: 55,776.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,104.22 : 87,045.18 = 40,435.56 : x
  2. Step 2: Convert to fraction form
    63,104.22/87,045.18 = 40,435.56/x
  3. Step 3: Cross multiply
    63,104.22x = 87,045.18 × 40,435.56
  4. Step 4: Simplify right side
    63,104.22x = 3,519,720,598.60
  5. Step 5: Solve for x
    x = 3,519,720,598.60/63,104.22
  6. Step 6: Final answer
    x = 55,776.31

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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.