Home / 114,934.95-172,401.62-68,045.67

Finding the Fourth Proportional to 114,934.95, 172,401.62 and 68,045.67

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Solution

The fourth proportional to 114,934.95, 172,401.62 and 68,045.67 is: 102,068.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,934.95 : 172,401.62 = 68,045.67 : x
  2. Step 2: Convert to fraction form
    114,934.95/172,401.62 = 68,045.67/x
  3. Step 3: Cross multiply
    114,934.95x = 172,401.62 × 68,045.67
  4. Step 4: Simplify right side
    114,934.95x = 11,731,183,401.76
  5. Step 5: Solve for x
    x = 11,731,183,401.76/114,934.95
  6. Step 6: Final answer
    x = 102,068.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.