Home / 107,699.22-161,548.92-48,465.72

Finding the Fourth Proportional to 107,699.22, 161,548.92 and 48,465.72

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Solution

The fourth proportional to 107,699.22, 161,548.92 and 48,465.72 is: 72,698.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,699.22 : 161,548.92 = 48,465.72 : x
  2. Step 2: Convert to fraction form
    107,699.22/161,548.92 = 48,465.72/x
  3. Step 3: Cross multiply
    107,699.22x = 161,548.92 × 48,465.72
  4. Step 4: Simplify right side
    107,699.22x = 7,829,584,723.02
  5. Step 5: Solve for x
    x = 7,829,584,723.02/107,699.22
  6. Step 6: Final answer
    x = 72,698.62

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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.