Home / 79,315.06-109,461.80-43,512.04

Finding the Fourth Proportional to 79,315.06, 109,461.80 and 43,512.04

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Solution

The fourth proportional to 79,315.06, 109,461.80 and 43,512.04 is: 60,050.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,315.06 : 109,461.80 = 43,512.04 : x
  2. Step 2: Convert to fraction form
    79,315.06/109,461.80 = 43,512.04/x
  3. Step 3: Cross multiply
    79,315.06x = 109,461.80 × 43,512.04
  4. Step 4: Simplify right side
    79,315.06x = 4,762,906,220.07
  5. Step 5: Solve for x
    x = 4,762,906,220.07/79,315.06
  6. Step 6: Final answer
    x = 60,050.46

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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.