Home / 79,050.66-109,091.54-43,242.99

Finding the Fourth Proportional to 79,050.66, 109,091.54 and 43,242.99

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Solution

The fourth proportional to 79,050.66, 109,091.54 and 43,242.99 is: 59,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,050.66 : 109,091.54 = 43,242.99 : x
  2. Step 2: Convert to fraction form
    79,050.66/109,091.54 = 43,242.99/x
  3. Step 3: Cross multiply
    79,050.66x = 109,091.54 × 43,242.99
  4. Step 4: Simplify right side
    79,050.66x = 4,717,444,373.30
  5. Step 5: Solve for x
    x = 4,717,444,373.30/79,050.66
  6. Step 6: Final answer
    x = 59,676.22

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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.