Home / 77,465.64-116,183.70-30,080.76

Finding the Fourth Proportional to 77,465.64, 116,183.70 and 30,080.76

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Solution

The fourth proportional to 77,465.64, 116,183.70 and 30,080.76 is: 45,115.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,465.64 : 116,183.70 = 30,080.76 : x
  2. Step 2: Convert to fraction form
    77,465.64/116,183.70 = 30,080.76/x
  3. Step 3: Cross multiply
    77,465.64x = 116,183.70 × 30,080.76
  4. Step 4: Simplify right side
    77,465.64x = 3,494,893,995.61
  5. Step 5: Solve for x
    x = 3,494,893,995.61/77,465.64
  6. Step 6: Final answer
    x = 45,115.41

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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.