Home / 92,968.35-128,252.49-67,418.66

Finding the Fourth Proportional to 92,968.35, 128,252.49 and 67,418.66

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Solution

The fourth proportional to 92,968.35, 128,252.49 and 67,418.66 is: 93,005.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,968.35 : 128,252.49 = 67,418.66 : x
  2. Step 2: Convert to fraction form
    92,968.35/128,252.49 = 67,418.66/x
  3. Step 3: Cross multiply
    92,968.35x = 128,252.49 × 67,418.66
  4. Step 4: Simplify right side
    92,968.35x = 8,646,610,376.20
  5. Step 5: Solve for x
    x = 8,646,610,376.20/92,968.35
  6. Step 6: Final answer
    x = 93,005.96

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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.