Home / 100,829.60-151,193.37-56,444.43

Finding the Fourth Proportional to 100,829.60, 151,193.37 and 56,444.43

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Solution

The fourth proportional to 100,829.60, 151,193.37 and 56,444.43 is: 84,638.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,829.60 : 151,193.37 = 56,444.43 : x
  2. Step 2: Convert to fraction form
    100,829.60/151,193.37 = 56,444.43/x
  3. Step 3: Cross multiply
    100,829.60x = 151,193.37 × 56,444.43
  4. Step 4: Simplify right side
    100,829.60x = 8,534,023,589.43
  5. Step 5: Solve for x
    x = 8,534,023,589.43/100,829.60
  6. Step 6: Final answer
    x = 84,638.08

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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.