Home / 57,075.12-78,758.28-33,201.36

Finding the Fourth Proportional to 57,075.12, 78,758.28 and 33,201.36

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Solution

The fourth proportional to 57,075.12, 78,758.28 and 33,201.36 is: 45,814.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,075.12 : 78,758.28 = 33,201.36 : x
  2. Step 2: Convert to fraction form
    57,075.12/78,758.28 = 33,201.36/x
  3. Step 3: Cross multiply
    57,075.12x = 78,758.28 × 33,201.36
  4. Step 4: Simplify right side
    57,075.12x = 2,614,882,007.26
  5. Step 5: Solve for x
    x = 2,614,882,007.26/57,075.12
  6. Step 6: Final answer
    x = 45,814.74

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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.