Home / 85,979.46-118,662.57-48,253.68

Finding the Fourth Proportional to 85,979.46, 118,662.57 and 48,253.68

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Solution

The fourth proportional to 85,979.46, 118,662.57 and 48,253.68 is: 66,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,979.46 : 118,662.57 = 48,253.68 : x
  2. Step 2: Convert to fraction form
    85,979.46/118,662.57 = 48,253.68/x
  3. Step 3: Cross multiply
    85,979.46x = 118,662.57 × 48,253.68
  4. Step 4: Simplify right side
    85,979.46x = 5,725,905,680.76
  5. Step 5: Solve for x
    x = 5,725,905,680.76/85,979.46
  6. Step 6: Final answer
    x = 66,596.20

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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.