Home / 84,943.74-127,412.37-25,777.02

Finding the Fourth Proportional to 84,943.74, 127,412.37 and 25,777.02

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Solution

The fourth proportional to 84,943.74, 127,412.37 and 25,777.02 is: 38,664.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,943.74 : 127,412.37 = 25,777.02 : x
  2. Step 2: Convert to fraction form
    84,943.74/127,412.37 = 25,777.02/x
  3. Step 3: Cross multiply
    84,943.74x = 127,412.37 × 25,777.02
  4. Step 4: Simplify right side
    84,943.74x = 3,284,311,209.74
  5. Step 5: Solve for x
    x = 3,284,311,209.74/84,943.74
  6. Step 6: Final answer
    x = 38,664.55

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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.