Home / 101,043.33-139,439.76-58,025.65

Finding the Fourth Proportional to 101,043.33, 139,439.76 and 58,025.65

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Solution

The fourth proportional to 101,043.33, 139,439.76 and 58,025.65 is: 80,075.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,043.33 : 139,439.76 = 58,025.65 : x
  2. Step 2: Convert to fraction form
    101,043.33/139,439.76 = 58,025.65/x
  3. Step 3: Cross multiply
    101,043.33x = 139,439.76 × 58,025.65
  4. Step 4: Simplify right side
    101,043.33x = 8,091,082,361.24
  5. Step 5: Solve for x
    x = 8,091,082,361.24/101,043.33
  6. Step 6: Final answer
    x = 80,075.37

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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.