Home / 90,609.75-125,043.14-50,327.24

Finding the Fourth Proportional to 90,609.75, 125,043.14 and 50,327.24

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Solution

The fourth proportional to 90,609.75, 125,043.14 and 50,327.24 is: 69,452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,609.75 : 125,043.14 = 50,327.24 : x
  2. Step 2: Convert to fraction form
    90,609.75/125,043.14 = 50,327.24/x
  3. Step 3: Cross multiply
    90,609.75x = 125,043.14 × 50,327.24
  4. Step 4: Simplify right side
    90,609.75x = 6,293,075,617.74
  5. Step 5: Solve for x
    x = 6,293,075,617.74/90,609.75
  6. Step 6: Final answer
    x = 69,452.52

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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.