Home / 67,489.12-93,135.75-37,273.75

Finding the Fourth Proportional to 67,489.12, 93,135.75 and 37,273.75

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Solution

The fourth proportional to 67,489.12, 93,135.75 and 37,273.75 is: 51,438.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,489.12 : 93,135.75 = 37,273.75 : x
  2. Step 2: Convert to fraction form
    67,489.12/93,135.75 = 37,273.75/x
  3. Step 3: Cross multiply
    67,489.12x = 93,135.75 × 37,273.75
  4. Step 4: Simplify right side
    67,489.12x = 3,471,518,288.95
  5. Step 5: Solve for x
    x = 3,471,518,288.95/67,489.12
  6. Step 6: Final answer
    x = 51,438.19

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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.