Home / 96,729.56-133,539.76-67,702.61

Finding the Fourth Proportional to 96,729.56, 133,539.76 and 67,702.61

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Solution

The fourth proportional to 96,729.56, 133,539.76 and 67,702.61 is: 93,466.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,729.56 : 133,539.76 = 67,702.61 : x
  2. Step 2: Convert to fraction form
    96,729.56/133,539.76 = 67,702.61/x
  3. Step 3: Cross multiply
    96,729.56x = 133,539.76 × 67,702.61
  4. Step 4: Simplify right side
    96,729.56x = 9,040,989,707.70
  5. Step 5: Solve for x
    x = 9,040,989,707.70/96,729.56
  6. Step 6: Final answer
    x = 93,466.67

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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.