Home / 79,384.41-109,554.36-43,574.04

Finding the Fourth Proportional to 79,384.41, 109,554.36 and 43,574.04

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Solution

The fourth proportional to 79,384.41, 109,554.36 and 43,574.04 is: 60,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,384.41 : 109,554.36 = 43,574.04 : x
  2. Step 2: Convert to fraction form
    79,384.41/109,554.36 = 43,574.04/x
  3. Step 3: Cross multiply
    79,384.41x = 109,554.36 × 43,574.04
  4. Step 4: Simplify right side
    79,384.41x = 4,773,726,064.81
  5. Step 5: Solve for x
    x = 4,773,726,064.81/79,384.41
  6. Step 6: Final answer
    x = 60,134.30

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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.