Home / 63,419.40-87,435.78-54,562.04

Finding the Fourth Proportional to 63,419.40, 87,435.78 and 54,562.04

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Solution

The fourth proportional to 63,419.40, 87,435.78 and 54,562.04 is: 75,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,419.40 : 87,435.78 = 54,562.04 : x
  2. Step 2: Convert to fraction form
    63,419.40/87,435.78 = 54,562.04/x
  3. Step 3: Cross multiply
    63,419.40x = 87,435.78 × 54,562.04
  4. Step 4: Simplify right side
    63,419.40x = 4,770,674,525.79
  5. Step 5: Solve for x
    x = 4,770,674,525.79/63,419.40
  6. Step 6: Final answer
    x = 75,224.21

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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.