Home / 55,986.36-77,256.09-33,321.72

Finding the Fourth Proportional to 55,986.36, 77,256.09 and 33,321.72

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Solution

The fourth proportional to 55,986.36, 77,256.09 and 33,321.72 is: 45,980.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,986.36 : 77,256.09 = 33,321.72 : x
  2. Step 2: Convert to fraction form
    55,986.36/77,256.09 = 33,321.72/x
  3. Step 3: Cross multiply
    55,986.36x = 77,256.09 × 33,321.72
  4. Step 4: Simplify right side
    55,986.36x = 2,574,305,799.27
  5. Step 5: Solve for x
    x = 2,574,305,799.27/55,986.36
  6. Step 6: Final answer
    x = 45,980.95

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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.