Home / 53,859.28-80,860.50-46,012.23

Finding the Fourth Proportional to 53,859.28, 80,860.50 and 46,012.23

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Solution

The fourth proportional to 53,859.28, 80,860.50 and 46,012.23 is: 69,079.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,859.28 : 80,860.50 = 46,012.23 : x
  2. Step 2: Convert to fraction form
    53,859.28/80,860.50 = 46,012.23/x
  3. Step 3: Cross multiply
    53,859.28x = 80,860.50 × 46,012.23
  4. Step 4: Simplify right side
    53,859.28x = 3,720,571,825.90
  5. Step 5: Solve for x
    x = 3,720,571,825.90/53,859.28
  6. Step 6: Final answer
    x = 69,079.50

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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.