Home / 84,926.12-127,404.54-69,269.90

Finding the Fourth Proportional to 84,926.12, 127,404.54 and 69,269.90

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Solution

The fourth proportional to 84,926.12, 127,404.54 and 69,269.90 is: 103,917.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,926.12 : 127,404.54 = 69,269.90 : x
  2. Step 2: Convert to fraction form
    84,926.12/127,404.54 = 69,269.90/x
  3. Step 3: Cross multiply
    84,926.12x = 127,404.54 × 69,269.90
  4. Step 4: Simplify right side
    84,926.12x = 8,825,299,108.32
  5. Step 5: Solve for x
    x = 8,825,299,108.32/84,926.12
  6. Step 6: Final answer
    x = 103,917.38

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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.