Home / 107,493.48-161,473.50-90,886.86

Finding the Fourth Proportional to 107,493.48, 161,473.50 and 90,886.86

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Solution

The fourth proportional to 107,493.48, 161,473.50 and 90,886.86 is: 136,527.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,493.48 : 161,473.50 = 90,886.86 : x
  2. Step 2: Convert to fraction form
    107,493.48/161,473.50 = 90,886.86/x
  3. Step 3: Cross multiply
    107,493.48x = 161,473.50 × 90,886.86
  4. Step 4: Simplify right side
    107,493.48x = 14,675,819,388.21
  5. Step 5: Solve for x
    x = 14,675,819,388.21/107,493.48
  6. Step 6: Final answer
    x = 136,527.53

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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.