Home / 85,579.29-118,096.92-47,340.36

Finding the Fourth Proportional to 85,579.29, 118,096.92 and 47,340.36

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Solution

The fourth proportional to 85,579.29, 118,096.92 and 47,340.36 is: 65,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,579.29 : 118,096.92 = 47,340.36 : x
  2. Step 2: Convert to fraction form
    85,579.29/118,096.92 = 47,340.36/x
  3. Step 3: Cross multiply
    85,579.29x = 118,096.92 × 47,340.36
  4. Step 4: Simplify right side
    85,579.29x = 5,590,750,707.69
  5. Step 5: Solve for x
    x = 5,590,750,707.69/85,579.29
  6. Step 6: Final answer
    x = 65,328.31

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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.