Home / 56,760.36-78,329.40-32,891.64

Finding the Fourth Proportional to 56,760.36, 78,329.40 and 32,891.64

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Solution

The fourth proportional to 56,760.36, 78,329.40 and 32,891.64 is: 45,390.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,760.36 : 78,329.40 = 32,891.64 : x
  2. Step 2: Convert to fraction form
    56,760.36/78,329.40 = 32,891.64/x
  3. Step 3: Cross multiply
    56,760.36x = 78,329.40 × 32,891.64
  4. Step 4: Simplify right side
    56,760.36x = 2,576,382,426.22
  5. Step 5: Solve for x
    x = 2,576,382,426.22/56,760.36
  6. Step 6: Final answer
    x = 45,390.52

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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.