Home / 79,134.10-109,206.36-43,323.52

Finding the Fourth Proportional to 79,134.10, 109,206.36 and 43,323.52

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Solution

The fourth proportional to 79,134.10, 109,206.36 and 43,323.52 is: 59,787.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,134.10 : 109,206.36 = 43,323.52 : x
  2. Step 2: Convert to fraction form
    79,134.10/109,206.36 = 43,323.52/x
  3. Step 3: Cross multiply
    79,134.10x = 109,206.36 × 43,323.52
  4. Step 4: Simplify right side
    79,134.10x = 4,731,203,921.59
  5. Step 5: Solve for x
    x = 4,731,203,921.59/79,134.10
  6. Step 6: Final answer
    x = 59,787.17

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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.