Home / 85,050.83-127,571.55-25,881.88

Finding the Fourth Proportional to 85,050.83, 127,571.55 and 25,881.88

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Solution

The fourth proportional to 85,050.83, 127,571.55 and 25,881.88 is: 38,821.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,050.83 : 127,571.55 = 25,881.88 : x
  2. Step 2: Convert to fraction form
    85,050.83/127,571.55 = 25,881.88/x
  3. Step 3: Cross multiply
    85,050.83x = 127,571.55 × 25,881.88
  4. Step 4: Simplify right side
    85,050.83x = 3,301,791,548.51
  5. Step 5: Solve for x
    x = 3,301,791,548.51/85,050.83
  6. Step 6: Final answer
    x = 38,821.39

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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.