Home / 79,342.10-109,493.88-43,532.00

Finding the Fourth Proportional to 79,342.10, 109,493.88 and 43,532.00

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Solution

The fourth proportional to 79,342.10, 109,493.88 and 43,532.00 is: 60,075.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,342.10 : 109,493.88 = 43,532.00 : x
  2. Step 2: Convert to fraction form
    79,342.10/109,493.88 = 43,532.00/x
  3. Step 3: Cross multiply
    79,342.10x = 109,493.88 × 43,532.00
  4. Step 4: Simplify right side
    79,342.10x = 4,766,487,284.05
  5. Step 5: Solve for x
    x = 4,766,487,284.05/79,342.10
  6. Step 6: Final answer
    x = 60,075.13

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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.