Home / 67,538.90-93,215.25-39,260.99

Finding the Fourth Proportional to 67,538.90, 93,215.25 and 39,260.99

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Solution

The fourth proportional to 67,538.90, 93,215.25 and 39,260.99 is: 54,186.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,538.90 : 93,215.25 = 39,260.99 : x
  2. Step 2: Convert to fraction form
    67,538.90/93,215.25 = 39,260.99/x
  3. Step 3: Cross multiply
    67,538.90x = 93,215.25 × 39,260.99
  4. Step 4: Simplify right side
    67,538.90x = 3,659,722,532.02
  5. Step 5: Solve for x
    x = 3,659,722,532.02/67,538.90
  6. Step 6: Final answer
    x = 54,186.89

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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.