Home / 117,323.48-162,040.02-79,532.12

Finding the Fourth Proportional to 117,323.48, 162,040.02 and 79,532.12

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Solution

The fourth proportional to 117,323.48, 162,040.02 and 79,532.12 is: 109,844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,323.48 : 162,040.02 = 79,532.12 : x
  2. Step 2: Convert to fraction form
    117,323.48/162,040.02 = 79,532.12/x
  3. Step 3: Cross multiply
    117,323.48x = 162,040.02 × 79,532.12
  4. Step 4: Simplify right side
    117,323.48x = 12,887,386,315.44
  5. Step 5: Solve for x
    x = 12,887,386,315.44/117,323.48
  6. Step 6: Final answer
    x = 109,844.90

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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.