Home / 86,007.70-118,690.62-48,281.92

Finding the Fourth Proportional to 86,007.70, 118,690.62 and 48,281.92

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Solution

The fourth proportional to 86,007.70, 118,690.62 and 48,281.92 is: 66,629.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,007.70 : 118,690.62 = 48,281.92 : x
  2. Step 2: Convert to fraction form
    86,007.70/118,690.62 = 48,281.92/x
  3. Step 3: Cross multiply
    86,007.70x = 118,690.62 × 48,281.92
  4. Step 4: Simplify right side
    86,007.70x = 5,730,611,019.59
  5. Step 5: Solve for x
    x = 5,730,611,019.59/86,007.70
  6. Step 6: Final answer
    x = 66,629.05

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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.