Home / 51,449.43-77,559.77-48,020.28

Finding the Fourth Proportional to 51,449.43, 77,559.77 and 48,020.28

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Solution

The fourth proportional to 51,449.43, 77,559.77 and 48,020.28 is: 72,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,449.43 : 77,559.77 = 48,020.28 : x
  2. Step 2: Convert to fraction form
    51,449.43/77,559.77 = 48,020.28/x
  3. Step 3: Cross multiply
    51,449.43x = 77,559.77 × 48,020.28
  4. Step 4: Simplify right side
    51,449.43x = 3,724,441,632.03
  5. Step 5: Solve for x
    x = 3,724,441,632.03/51,449.43
  6. Step 6: Final answer
    x = 72,390.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.