Home / 85,275.48-127,858.52-35,390.02

Finding the Fourth Proportional to 85,275.48, 127,858.52 and 35,390.02

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Solution

The fourth proportional to 85,275.48, 127,858.52 and 35,390.02 is: 53,062.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,275.48 : 127,858.52 = 35,390.02 : x
  2. Step 2: Convert to fraction form
    85,275.48/127,858.52 = 35,390.02/x
  3. Step 3: Cross multiply
    85,275.48x = 127,858.52 × 35,390.02
  4. Step 4: Simplify right side
    85,275.48x = 4,524,915,579.97
  5. Step 5: Solve for x
    x = 4,524,915,579.97/85,275.48
  6. Step 6: Final answer
    x = 53,062.33

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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.