Home / 79,977.77-110,366.30-43,678.01

Finding the Fourth Proportional to 79,977.77, 110,366.30 and 43,678.01

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Solution

The fourth proportional to 79,977.77, 110,366.30 and 43,678.01 is: 60,274.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,977.77 : 110,366.30 = 43,678.01 : x
  2. Step 2: Convert to fraction form
    79,977.77/110,366.30 = 43,678.01/x
  3. Step 3: Cross multiply
    79,977.77x = 110,366.30 × 43,678.01
  4. Step 4: Simplify right side
    79,977.77x = 4,820,579,584.84
  5. Step 5: Solve for x
    x = 4,820,579,584.84/79,977.77
  6. Step 6: Final answer
    x = 60,274.00

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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.