Home / 77,838.09-116,773.53-25,243.47

Finding the Fourth Proportional to 77,838.09, 116,773.53 and 25,243.47

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Solution

The fourth proportional to 77,838.09, 116,773.53 and 25,243.47 is: 37,870.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,838.09 : 116,773.53 = 25,243.47 : x
  2. Step 2: Convert to fraction form
    77,838.09/116,773.53 = 25,243.47/x
  3. Step 3: Cross multiply
    77,838.09x = 116,773.53 × 25,243.47
  4. Step 4: Simplify right side
    77,838.09x = 2,947,769,101.35
  5. Step 5: Solve for x
    x = 2,947,769,101.35/77,838.09
  6. Step 6: Final answer
    x = 37,870.52

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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.