Home / 124,715.10-172,106.79-67,354.44

Finding the Fourth Proportional to 124,715.10, 172,106.79 and 67,354.44

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Solution

The fourth proportional to 124,715.10, 172,106.79 and 67,354.44 is: 92,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,715.10 : 172,106.79 = 67,354.44 : x
  2. Step 2: Convert to fraction form
    124,715.10/172,106.79 = 67,354.44/x
  3. Step 3: Cross multiply
    124,715.10x = 172,106.79 × 67,354.44
  4. Step 4: Simplify right side
    124,715.10x = 11,592,156,083.61
  5. Step 5: Solve for x
    x = 11,592,156,083.61/124,715.10
  6. Step 6: Final answer
    x = 92,949.10

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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.