Home / 85,819.50-118,435.77-48,096.18

Finding the Fourth Proportional to 85,819.50, 118,435.77 and 48,096.18

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Solution

The fourth proportional to 85,819.50, 118,435.77 and 48,096.18 is: 66,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,819.50 : 118,435.77 = 48,096.18 : x
  2. Step 2: Convert to fraction form
    85,819.50/118,435.77 = 48,096.18/x
  3. Step 3: Cross multiply
    85,819.50x = 118,435.77 × 48,096.18
  4. Step 4: Simplify right side
    85,819.50x = 5,696,308,112.36
  5. Step 5: Solve for x
    x = 5,696,308,112.36/85,819.50
  6. Step 6: Final answer
    x = 66,375.45

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1.5x scale

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.