Home / 79,315.24-118,983.86-26,739.76

Finding the Fourth Proportional to 79,315.24, 118,983.86 and 26,739.76

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Solution

The fourth proportional to 79,315.24, 118,983.86 and 26,739.76 is: 40,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,315.24 : 118,983.86 = 26,739.76 : x
  2. Step 2: Convert to fraction form
    79,315.24/118,983.86 = 26,739.76/x
  3. Step 3: Cross multiply
    79,315.24x = 118,983.86 × 26,739.76
  4. Step 4: Simplify right side
    79,315.24x = 3,181,599,860.27
  5. Step 5: Solve for x
    x = 3,181,599,860.27/79,315.24
  6. Step 6: Final answer
    x = 40,113.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.