Home / 86,056.62-118,769.28-48,330.88

Finding the Fourth Proportional to 86,056.62, 118,769.28 and 48,330.88

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Solution

The fourth proportional to 86,056.62, 118,769.28 and 48,330.88 is: 66,702.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,056.62 : 118,769.28 = 48,330.88 : x
  2. Step 2: Convert to fraction form
    86,056.62/118,769.28 = 48,330.88/x
  3. Step 3: Cross multiply
    86,056.62x = 118,769.28 × 48,330.88
  4. Step 4: Simplify right side
    86,056.62x = 5,740,223,819.37
  5. Step 5: Solve for x
    x = 5,740,223,819.37/86,056.62
  6. Step 6: Final answer
    x = 66,702.87

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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.