Home / 136,926.72-205,349.28-58,039.68

Finding the Fourth Proportional to 136,926.72, 205,349.28 and 58,039.68

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Solution

The fourth proportional to 136,926.72, 205,349.28 and 58,039.68 is: 87,042.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,926.72 : 205,349.28 = 58,039.68 : x
  2. Step 2: Convert to fraction form
    136,926.72/205,349.28 = 58,039.68/x
  3. Step 3: Cross multiply
    136,926.72x = 205,349.28 × 58,039.68
  4. Step 4: Simplify right side
    136,926.72x = 11,918,406,499.43
  5. Step 5: Solve for x
    x = 11,918,406,499.43/136,926.72
  6. Step 6: Final answer
    x = 87,042.23

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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.