Home / 77,746.12-107,288.34-43,754.60

Finding the Fourth Proportional to 77,746.12, 107,288.34 and 43,754.60

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Solution

The fourth proportional to 77,746.12, 107,288.34 and 43,754.60 is: 60,380.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,746.12 : 107,288.34 = 43,754.60 : x
  2. Step 2: Convert to fraction form
    77,746.12/107,288.34 = 43,754.60/x
  3. Step 3: Cross multiply
    77,746.12x = 107,288.34 × 43,754.60
  4. Step 4: Simplify right side
    77,746.12x = 4,694,358,401.36
  5. Step 5: Solve for x
    x = 4,694,358,401.36/77,746.12
  6. Step 6: Final answer
    x = 60,380.61

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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.