Home / 53,405.18-80,112.32-13,962.23

Finding the Fourth Proportional to 53,405.18, 80,112.32 and 13,962.23

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Solution

The fourth proportional to 53,405.18, 80,112.32 and 13,962.23 is: 20,944.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,405.18 : 80,112.32 = 13,962.23 : x
  2. Step 2: Convert to fraction form
    53,405.18/80,112.32 = 13,962.23/x
  3. Step 3: Cross multiply
    53,405.18x = 80,112.32 × 13,962.23
  4. Step 4: Simplify right side
    53,405.18x = 1,118,546,567.86
  5. Step 5: Solve for x
    x = 1,118,546,567.86/53,405.18
  6. Step 6: Final answer
    x = 20,944.53

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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.