Home / 88,103.26-121,683.40-58,023.04

Finding the Fourth Proportional to 88,103.26, 121,683.40 and 58,023.04

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Solution

The fourth proportional to 88,103.26, 121,683.40 and 58,023.04 is: 80,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,103.26 : 121,683.40 = 58,023.04 : x
  2. Step 2: Convert to fraction form
    88,103.26/121,683.40 = 58,023.04/x
  3. Step 3: Cross multiply
    88,103.26x = 121,683.40 × 58,023.04
  4. Step 4: Simplify right side
    88,103.26x = 7,060,440,785.54
  5. Step 5: Solve for x
    x = 7,060,440,785.54/88,103.26
  6. Step 6: Final answer
    x = 80,138.25

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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.