Home / 117,929.22-162,724.01-67,618.50

Finding the Fourth Proportional to 117,929.22, 162,724.01 and 67,618.50

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Solution

The fourth proportional to 117,929.22, 162,724.01 and 67,618.50 is: 93,303.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,929.22 : 162,724.01 = 67,618.50 : x
  2. Step 2: Convert to fraction form
    117,929.22/162,724.01 = 67,618.50/x
  3. Step 3: Cross multiply
    117,929.22x = 162,724.01 × 67,618.50
  4. Step 4: Simplify right side
    117,929.22x = 11,003,153,132.09
  5. Step 5: Solve for x
    x = 11,003,153,132.09/117,929.22
  6. Step 6: Final answer
    x = 93,303.03

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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.