Home / 107,647.30-161,410.08-51,500.98

Finding the Fourth Proportional to 107,647.30, 161,410.08 and 51,500.98

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Solution

The fourth proportional to 107,647.30, 161,410.08 and 51,500.98 is: 77,222.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,647.30 : 161,410.08 = 51,500.98 : x
  2. Step 2: Convert to fraction form
    107,647.30/161,410.08 = 51,500.98/x
  3. Step 3: Cross multiply
    107,647.30x = 161,410.08 × 51,500.98
  4. Step 4: Simplify right side
    107,647.30x = 8,312,777,301.88
  5. Step 5: Solve for x
    x = 8,312,777,301.88/107,647.30
  6. Step 6: Final answer
    x = 77,222.35

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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.