Home / 86,123.03-118,849.67-47,881.37

Finding the Fourth Proportional to 86,123.03, 118,849.67 and 47,881.37

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Solution

The fourth proportional to 86,123.03, 118,849.67 and 47,881.37 is: 66,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,123.03 : 118,849.67 = 47,881.37 : x
  2. Step 2: Convert to fraction form
    86,123.03/118,849.67 = 47,881.37/x
  3. Step 3: Cross multiply
    86,123.03x = 118,849.67 × 47,881.37
  4. Step 4: Simplify right side
    86,123.03x = 5,690,684,357.93
  5. Step 5: Solve for x
    x = 5,690,684,357.93/86,123.03
  6. Step 6: Final answer
    x = 66,076.22

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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.