Home / 106,563.60-147,047.30-58,813.86

Finding the Fourth Proportional to 106,563.60, 147,047.30 and 58,813.86

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Solution

The fourth proportional to 106,563.60, 147,047.30 and 58,813.86 is: 81,157.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,563.60 : 147,047.30 = 58,813.86 : x
  2. Step 2: Convert to fraction form
    106,563.60/147,047.30 = 58,813.86/x
  3. Step 3: Cross multiply
    106,563.60x = 147,047.30 × 58,813.86
  4. Step 4: Simplify right side
    106,563.60x = 8,648,419,793.49
  5. Step 5: Solve for x
    x = 8,648,419,793.49/106,563.60
  6. Step 6: Final answer
    x = 81,157.35

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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.