Home / 82,125.54-123,290.37-57,323.34

Finding the Fourth Proportional to 82,125.54, 123,290.37 and 57,323.34

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Solution

The fourth proportional to 82,125.54, 123,290.37 and 57,323.34 is: 86,056.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,125.54 : 123,290.37 = 57,323.34 : x
  2. Step 2: Convert to fraction form
    82,125.54/123,290.37 = 57,323.34/x
  3. Step 3: Cross multiply
    82,125.54x = 123,290.37 × 57,323.34
  4. Step 4: Simplify right side
    82,125.54x = 7,067,415,798.24
  5. Step 5: Solve for x
    x = 7,067,415,798.24/82,125.54
  6. Step 6: Final answer
    x = 86,056.25

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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.