Home / 124,518.24-171,837.90-67,929.57

Finding the Fourth Proportional to 124,518.24, 171,837.90 and 67,929.57

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Solution

The fourth proportional to 124,518.24, 171,837.90 and 67,929.57 is: 93,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,518.24 : 171,837.90 = 67,929.57 : x
  2. Step 2: Convert to fraction form
    124,518.24/171,837.90 = 67,929.57/x
  3. Step 3: Cross multiply
    124,518.24x = 171,837.90 × 67,929.57
  4. Step 4: Simplify right side
    124,518.24x = 11,672,874,656.70
  5. Step 5: Solve for x
    x = 11,672,874,656.70/124,518.24
  6. Step 6: Final answer
    x = 93,744.30

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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.