Home / 53,858.16-80,402.40-50,300.64

Finding the Fourth Proportional to 53,858.16, 80,402.40 and 50,300.64

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Solution

The fourth proportional to 53,858.16, 80,402.40 and 50,300.64 is: 75,091.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,858.16 : 80,402.40 = 50,300.64 : x
  2. Step 2: Convert to fraction form
    53,858.16/80,402.40 = 50,300.64/x
  3. Step 3: Cross multiply
    53,858.16x = 80,402.40 × 50,300.64
  4. Step 4: Simplify right side
    53,858.16x = 4,044,292,177.54
  5. Step 5: Solve for x
    x = 4,044,292,177.54/53,858.16
  6. Step 6: Final answer
    x = 75,091.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.