Home / 90,634.65-125,075.74-50,352.18

Finding the Fourth Proportional to 90,634.65, 125,075.74 and 50,352.18

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Solution

The fourth proportional to 90,634.65, 125,075.74 and 50,352.18 is: 69,485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,634.65 : 125,075.74 = 50,352.18 : x
  2. Step 2: Convert to fraction form
    90,634.65/125,075.74 = 50,352.18/x
  3. Step 3: Cross multiply
    90,634.65x = 125,075.74 × 50,352.18
  4. Step 4: Simplify right side
    90,634.65x = 6,297,836,174.11
  5. Step 5: Solve for x
    x = 6,297,836,174.11/90,634.65
  6. Step 6: Final answer
    x = 69,485.97

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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.