Home / 77,852.10-107,446.32-43,867.20

Finding the Fourth Proportional to 77,852.10, 107,446.32 and 43,867.20

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Solution

The fourth proportional to 77,852.10, 107,446.32 and 43,867.20 is: 60,542.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,852.10 : 107,446.32 = 43,867.20 : x
  2. Step 2: Convert to fraction form
    77,852.10/107,446.32 = 43,867.20/x
  3. Step 3: Cross multiply
    77,852.10x = 107,446.32 × 43,867.20
  4. Step 4: Simplify right side
    77,852.10x = 4,713,369,208.70
  5. Step 5: Solve for x
    x = 4,713,369,208.70/77,852.10
  6. Step 6: Final answer
    x = 60,542.61

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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.