Home / 53,385.36-80,077.77-13,941.60

Finding the Fourth Proportional to 53,385.36, 80,077.77 and 13,941.60

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Solution

The fourth proportional to 53,385.36, 80,077.77 and 13,941.60 is: 20,912.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,385.36 : 80,077.77 = 13,941.60 : x
  2. Step 2: Convert to fraction form
    53,385.36/80,077.77 = 13,941.60/x
  3. Step 3: Cross multiply
    53,385.36x = 80,077.77 × 13,941.60
  4. Step 4: Simplify right side
    53,385.36x = 1,116,412,238.23
  5. Step 5: Solve for x
    x = 1,116,412,238.23/53,385.36
  6. Step 6: Final answer
    x = 20,912.33

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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.