Home / 73,543.15-110,321.29-28,563.43

Finding the Fourth Proportional to 73,543.15, 110,321.29 and 28,563.43

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Solution

The fourth proportional to 73,543.15, 110,321.29 and 28,563.43 is: 42,847.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,543.15 : 110,321.29 = 28,563.43 : x
  2. Step 2: Convert to fraction form
    73,543.15/110,321.29 = 28,563.43/x
  3. Step 3: Cross multiply
    73,543.15x = 110,321.29 × 28,563.43
  4. Step 4: Simplify right side
    73,543.15x = 3,151,154,444.42
  5. Step 5: Solve for x
    x = 3,151,154,444.42/73,543.15
  6. Step 6: Final answer
    x = 42,847.69

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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.