Home / 92,852.73-128,138.31-50,411.25

Finding the Fourth Proportional to 92,852.73, 128,138.31 and 50,411.25

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Solution

The fourth proportional to 92,852.73, 128,138.31 and 50,411.25 is: 69,568.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,852.73 : 128,138.31 = 50,411.25 : x
  2. Step 2: Convert to fraction form
    92,852.73/128,138.31 = 50,411.25/x
  3. Step 3: Cross multiply
    92,852.73x = 128,138.31 × 50,411.25
  4. Step 4: Simplify right side
    92,852.73x = 6,459,612,379.99
  5. Step 5: Solve for x
    x = 6,459,612,379.99/92,852.73
  6. Step 6: Final answer
    x = 69,568.36

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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.