Home / 86,223.54-118,982.07-48,490.50

Finding the Fourth Proportional to 86,223.54, 118,982.07 and 48,490.50

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Solution

The fourth proportional to 86,223.54, 118,982.07 and 48,490.50 is: 66,913.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,223.54 : 118,982.07 = 48,490.50 : x
  2. Step 2: Convert to fraction form
    86,223.54/118,982.07 = 48,490.50/x
  3. Step 3: Cross multiply
    86,223.54x = 118,982.07 × 48,490.50
  4. Step 4: Simplify right side
    86,223.54x = 5,769,500,065.34
  5. Step 5: Solve for x
    x = 5,769,500,065.34/86,223.54
  6. Step 6: Final answer
    x = 66,913.28

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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.