Home / 124,922.41-172,392.92-68,335

Finding the Fourth Proportional to 124,922.41, 172,392.92 and 68,335

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Solution

The fourth proportional to 124,922.41, 172,392.92 and 68,335 is: 94,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,922.41 : 172,392.92 = 68,335 : x
  2. Step 2: Convert to fraction form
    124,922.41/172,392.92 = 68,335/x
  3. Step 3: Cross multiply
    124,922.41x = 172,392.92 × 68,335
  4. Step 4: Simplify right side
    124,922.41x = 11,780,470,188.20
  5. Step 5: Solve for x
    x = 11,780,470,188.20/124,922.41
  6. Step 6: Final answer
    x = 94,302.30

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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.