Home / 92,086.86-138,129.78-23,698.36

Finding the Fourth Proportional to 92,086.86, 138,129.78 and 23,698.36

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Solution

The fourth proportional to 92,086.86, 138,129.78 and 23,698.36 is: 35,547.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,086.86 : 138,129.78 = 23,698.36 : x
  2. Step 2: Convert to fraction form
    92,086.86/138,129.78 = 23,698.36/x
  3. Step 3: Cross multiply
    92,086.86x = 138,129.78 × 23,698.36
  4. Step 4: Simplify right side
    92,086.86x = 3,273,449,253.16
  5. Step 5: Solve for x
    x = 3,273,449,253.16/92,086.86
  6. Step 6: Final answer
    x = 35,547.41

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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.