Home / 85,029.04-127,548.52-25,866.80

Finding the Fourth Proportional to 85,029.04, 127,548.52 and 25,866.80

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Solution

The fourth proportional to 85,029.04, 127,548.52 and 25,866.80 is: 38,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,029.04 : 127,548.52 = 25,866.80 : x
  2. Step 2: Convert to fraction form
    85,029.04/127,548.52 = 25,866.80/x
  3. Step 3: Cross multiply
    85,029.04x = 127,548.52 × 25,866.80
  4. Step 4: Simplify right side
    85,029.04x = 3,299,272,057.14
  5. Step 5: Solve for x
    x = 3,299,272,057.14/85,029.04
  6. Step 6: Final answer
    x = 38,801.71

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1.5x scale

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.