Home / 77,936.40-116,875.80-25,347.60

Finding the Fourth Proportional to 77,936.40, 116,875.80 and 25,347.60

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Solution

The fourth proportional to 77,936.40, 116,875.80 and 25,347.60 is: 38,012.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,936.40 : 116,875.80 = 25,347.60 : x
  2. Step 2: Convert to fraction form
    77,936.40/116,875.80 = 25,347.60/x
  3. Step 3: Cross multiply
    77,936.40x = 116,875.80 × 25,347.60
  4. Step 4: Simplify right side
    77,936.40x = 2,962,521,028.08
  5. Step 5: Solve for x
    x = 2,962,521,028.08/77,936.40
  6. Step 6: Final answer
    x = 38,012.03

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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.