Home / 86,009.37-118,693.04-48,283.89

Finding the Fourth Proportional to 86,009.37, 118,693.04 and 48,283.89

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Solution

The fourth proportional to 86,009.37, 118,693.04 and 48,283.89 is: 66,631.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,009.37 : 118,693.04 = 48,283.89 : x
  2. Step 2: Convert to fraction form
    86,009.37/118,693.04 = 48,283.89/x
  3. Step 3: Cross multiply
    86,009.37x = 118,693.04 × 48,283.89
  4. Step 4: Simplify right side
    86,009.37x = 5,730,961,687.13
  5. Step 5: Solve for x
    x = 5,730,961,687.13/86,009.37
  6. Step 6: Final answer
    x = 66,631.83

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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.