Home / 53,777.76-80,660.40-14,338.08

Finding the Fourth Proportional to 53,777.76, 80,660.40 and 14,338.08

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Solution

The fourth proportional to 53,777.76, 80,660.40 and 14,338.08 is: 21,505.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,777.76 : 80,660.40 = 14,338.08 : x
  2. Step 2: Convert to fraction form
    53,777.76/80,660.40 = 14,338.08/x
  3. Step 3: Cross multiply
    53,777.76x = 80,660.40 × 14,338.08
  4. Step 4: Simplify right side
    53,777.76x = 1,156,515,268.03
  5. Step 5: Solve for x
    x = 1,156,515,268.03/53,777.76
  6. Step 6: Final answer
    x = 21,505.46

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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.