Home / 124,940.25-172,421.60-68,351.63

Finding the Fourth Proportional to 124,940.25, 172,421.60 and 68,351.63

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Solution

The fourth proportional to 124,940.25, 172,421.60 and 68,351.63 is: 94,327.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,940.25 : 172,421.60 = 68,351.63 : x
  2. Step 2: Convert to fraction form
    124,940.25/172,421.60 = 68,351.63/x
  3. Step 3: Cross multiply
    124,940.25x = 172,421.60 × 68,351.63
  4. Step 4: Simplify right side
    124,940.25x = 11,785,296,203.34
  5. Step 5: Solve for x
    x = 11,785,296,203.34/124,940.25
  6. Step 6: Final answer
    x = 94,327.46

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1.5x scale

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.