Home / 74,782.95-111,911.12-46,716.21

Finding the Fourth Proportional to 74,782.95, 111,911.12 and 46,716.21

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Solution

The fourth proportional to 74,782.95, 111,911.12 and 46,716.21 is: 69,909.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,782.95 : 111,911.12 = 46,716.21 : x
  2. Step 2: Convert to fraction form
    74,782.95/111,911.12 = 46,716.21/x
  3. Step 3: Cross multiply
    74,782.95x = 111,911.12 × 46,716.21
  4. Step 4: Simplify right side
    74,782.95x = 5,228,063,324.86
  5. Step 5: Solve for x
    x = 5,228,063,324.86/74,782.95
  6. Step 6: Final answer
    x = 69,909.83

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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.