Home / 53,608.40-80,412.60-32,872.40

Finding the Fourth Proportional to 53,608.40, 80,412.60 and 32,872.40

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Solution

The fourth proportional to 53,608.40, 80,412.60 and 32,872.40 is: 49,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,608.40 : 80,412.60 = 32,872.40 : x
  2. Step 2: Convert to fraction form
    53,608.40/80,412.60 = 32,872.40/x
  3. Step 3: Cross multiply
    53,608.40x = 80,412.60 × 32,872.40
  4. Step 4: Simplify right side
    53,608.40x = 2,643,355,152.24
  5. Step 5: Solve for x
    x = 2,643,355,152.24/53,608.40
  6. Step 6: Final answer
    x = 49,308.60

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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.