Home / 79,133.42-109,206.04-43,323.32

Finding the Fourth Proportional to 79,133.42, 109,206.04 and 43,323.32

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Solution

The fourth proportional to 79,133.42, 109,206.04 and 43,323.32 is: 59,787.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,133.42 : 109,206.04 = 43,323.32 : x
  2. Step 2: Convert to fraction form
    79,133.42/109,206.04 = 43,323.32/x
  3. Step 3: Cross multiply
    79,133.42x = 109,206.04 × 43,323.32
  4. Step 4: Simplify right side
    79,133.42x = 4,731,168,216.85
  5. Step 5: Solve for x
    x = 4,731,168,216.85/79,133.42
  6. Step 6: Final answer
    x = 59,787.23

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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.