Home / 68,076.90-102,118.32-23,707.08

Finding the Fourth Proportional to 68,076.90, 102,118.32 and 23,707.08

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Solution

The fourth proportional to 68,076.90, 102,118.32 and 23,707.08 is: 35,561.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,076.90 : 102,118.32 = 23,707.08 : x
  2. Step 2: Convert to fraction form
    68,076.90/102,118.32 = 23,707.08/x
  3. Step 3: Cross multiply
    68,076.90x = 102,118.32 × 23,707.08
  4. Step 4: Simplify right side
    68,076.90x = 2,420,927,181.71
  5. Step 5: Solve for x
    x = 2,420,927,181.71/68,076.90
  6. Step 6: Final answer
    x = 35,561.65

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1.5x scale

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.