Home / 90,605.47-125,169.84-59,633.75

Finding the Fourth Proportional to 90,605.47, 125,169.84 and 59,633.75

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Solution

The fourth proportional to 90,605.47, 125,169.84 and 59,633.75 is: 82,382.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,605.47 : 125,169.84 = 59,633.75 : x
  2. Step 2: Convert to fraction form
    90,605.47/125,169.84 = 59,633.75/x
  3. Step 3: Cross multiply
    90,605.47x = 125,169.84 × 59,633.75
  4. Step 4: Simplify right side
    90,605.47x = 7,464,347,259.02
  5. Step 5: Solve for x
    x = 7,464,347,259.02/90,605.47
  6. Step 6: Final answer
    x = 82,382.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.