Home / 112,680.67-155,497.98-62,379.67

Finding the Fourth Proportional to 112,680.67, 155,497.98 and 62,379.67

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Solution

The fourth proportional to 112,680.67, 155,497.98 and 62,379.67 is: 86,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,680.67 : 155,497.98 = 62,379.67 : x
  2. Step 2: Convert to fraction form
    112,680.67/155,497.98 = 62,379.67/x
  3. Step 3: Cross multiply
    112,680.67x = 155,497.98 × 62,379.67
  4. Step 4: Simplify right side
    112,680.67x = 9,699,912,678.07
  5. Step 5: Solve for x
    x = 9,699,912,678.07/112,680.67
  6. Step 6: Final answer
    x = 86,083.20

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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.