Home / 57,509.07-79,262.76-54,187.56

Finding the Fourth Proportional to 57,509.07, 79,262.76 and 54,187.56

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Solution

The fourth proportional to 57,509.07, 79,262.76 and 54,187.56 is: 74,684.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,509.07 : 79,262.76 = 54,187.56 : x
  2. Step 2: Convert to fraction form
    57,509.07/79,262.76 = 54,187.56/x
  3. Step 3: Cross multiply
    57,509.07x = 79,262.76 × 54,187.56
  4. Step 4: Simplify right side
    57,509.07x = 4,295,055,563.27
  5. Step 5: Solve for x
    x = 4,295,055,563.27/57,509.07
  6. Step 6: Final answer
    x = 74,684.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.