Home / 66,403.24-91,596.18-39,527.80

Finding the Fourth Proportional to 66,403.24, 91,596.18 and 39,527.80

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Solution

The fourth proportional to 66,403.24, 91,596.18 and 39,527.80 is: 54,524.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,403.24 : 91,596.18 = 39,527.80 : x
  2. Step 2: Convert to fraction form
    66,403.24/91,596.18 = 39,527.80/x
  3. Step 3: Cross multiply
    66,403.24x = 91,596.18 × 39,527.80
  4. Step 4: Simplify right side
    66,403.24x = 3,620,595,483.80
  5. Step 5: Solve for x
    x = 3,620,595,483.80/66,403.24
  6. Step 6: Final answer
    x = 54,524.38

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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.