Home / 104,018.49-156,032.19-40,852.31

Finding the Fourth Proportional to 104,018.49, 156,032.19 and 40,852.31

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Solution

The fourth proportional to 104,018.49, 156,032.19 and 40,852.31 is: 61,280.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,018.49 : 156,032.19 = 40,852.31 : x
  2. Step 2: Convert to fraction form
    104,018.49/156,032.19 = 40,852.31/x
  3. Step 3: Cross multiply
    104,018.49x = 156,032.19 × 40,852.31
  4. Step 4: Simplify right side
    104,018.49x = 6,374,275,530.58
  5. Step 5: Solve for x
    x = 6,374,275,530.58/104,018.49
  6. Step 6: Final answer
    x = 61,280.21

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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.