Home / 115,133.22-172,723.12-48,573.50

Finding the Fourth Proportional to 115,133.22, 172,723.12 and 48,573.50

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Solution

The fourth proportional to 115,133.22, 172,723.12 and 48,573.50 is: 72,870.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,133.22 : 172,723.12 = 48,573.50 : x
  2. Step 2: Convert to fraction form
    115,133.22/172,723.12 = 48,573.50/x
  3. Step 3: Cross multiply
    115,133.22x = 172,723.12 × 48,573.50
  4. Step 4: Simplify right side
    115,133.22x = 8,389,765,484.27
  5. Step 5: Solve for x
    x = 8,389,765,484.27/115,133.22
  6. Step 6: Final answer
    x = 72,870.07

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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.