Home / 86,043.04-118,738.56-48,316.48

Finding the Fourth Proportional to 86,043.04, 118,738.56 and 48,316.48

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Solution

The fourth proportional to 86,043.04, 118,738.56 and 48,316.48 is: 66,676.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,043.04 : 118,738.56 = 48,316.48 : x
  2. Step 2: Convert to fraction form
    86,043.04/118,738.56 = 48,316.48/x
  3. Step 3: Cross multiply
    86,043.04x = 118,738.56 × 48,316.48
  4. Step 4: Simplify right side
    86,043.04x = 5,737,029,259.47
  5. Step 5: Solve for x
    x = 5,737,029,259.47/86,043.04
  6. Step 6: Final answer
    x = 66,676.27

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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.