Home / 84,927.60-127,403.55-25,767.90

Finding the Fourth Proportional to 84,927.60, 127,403.55 and 25,767.90

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Solution

The fourth proportional to 84,927.60, 127,403.55 and 25,767.90 is: 38,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,927.60 : 127,403.55 = 25,767.90 : x
  2. Step 2: Convert to fraction form
    84,927.60/127,403.55 = 25,767.90/x
  3. Step 3: Cross multiply
    84,927.60x = 127,403.55 × 25,767.90
  4. Step 4: Simplify right side
    84,927.60x = 3,282,921,936.05
  5. Step 5: Solve for x
    x = 3,282,921,936.05/84,927.60
  6. Step 6: Final answer
    x = 38,655.54

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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.