Home / 85,736.18-118,346.98-69,792.94

Finding the Fourth Proportional to 85,736.18, 118,346.98 and 69,792.94

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Solution

The fourth proportional to 85,736.18, 118,346.98 and 69,792.94 is: 96,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,736.18 : 118,346.98 = 69,792.94 : x
  2. Step 2: Convert to fraction form
    85,736.18/118,346.98 = 69,792.94/x
  3. Step 3: Cross multiply
    85,736.18x = 118,346.98 × 69,792.94
  4. Step 4: Simplify right side
    85,736.18x = 8,259,783,674.32
  5. Step 5: Solve for x
    x = 8,259,783,674.32/85,736.18
  6. Step 6: Final answer
    x = 96,339.53

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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.