Home / 78,707.43-118,096.04-41,258.56

Finding the Fourth Proportional to 78,707.43, 118,096.04 and 41,258.56

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Solution

The fourth proportional to 78,707.43, 118,096.04 and 41,258.56 is: 61,906.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,707.43 : 118,096.04 = 41,258.56 : x
  2. Step 2: Convert to fraction form
    78,707.43/118,096.04 = 41,258.56/x
  3. Step 3: Cross multiply
    78,707.43x = 118,096.04 × 41,258.56
  4. Step 4: Simplify right side
    78,707.43x = 4,872,472,552.10
  5. Step 5: Solve for x
    x = 4,872,472,552.10/78,707.43
  6. Step 6: Final answer
    x = 61,906.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.