Home / 91,540.80-137,326.01-28,346.07

Finding the Fourth Proportional to 91,540.80, 137,326.01 and 28,346.07

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Solution

The fourth proportional to 91,540.80, 137,326.01 and 28,346.07 is: 42,523.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,540.80 : 137,326.01 = 28,346.07 : x
  2. Step 2: Convert to fraction form
    91,540.80/137,326.01 = 28,346.07/x
  3. Step 3: Cross multiply
    91,540.80x = 137,326.01 × 28,346.07
  4. Step 4: Simplify right side
    91,540.80x = 3,892,652,692.28
  5. Step 5: Solve for x
    x = 3,892,652,692.28/91,540.80
  6. Step 6: Final answer
    x = 42,523.69

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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.