Home / 57,515.37-86,273.07-18,075.93

Finding the Fourth Proportional to 57,515.37, 86,273.07 and 18,075.93

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Solution

The fourth proportional to 57,515.37, 86,273.07 and 18,075.93 is: 27,113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,515.37 : 86,273.07 = 18,075.93 : x
  2. Step 2: Convert to fraction form
    57,515.37/86,273.07 = 18,075.93/x
  3. Step 3: Cross multiply
    57,515.37x = 86,273.07 × 18,075.93
  4. Step 4: Simplify right side
    57,515.37x = 1,559,465,974.21
  5. Step 5: Solve for x
    x = 1,559,465,974.21/57,515.37
  6. Step 6: Final answer
    x = 27,113.90

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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.