Home / 67,653.42-93,371.63-38,967.50

Finding the Fourth Proportional to 67,653.42, 93,371.63 and 38,967.50

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Solution

The fourth proportional to 67,653.42, 93,371.63 and 38,967.50 is: 53,780.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,653.42 : 93,371.63 = 38,967.50 : x
  2. Step 2: Convert to fraction form
    67,653.42/93,371.63 = 38,967.50/x
  3. Step 3: Cross multiply
    67,653.42x = 93,371.63 × 38,967.50
  4. Step 4: Simplify right side
    67,653.42x = 3,638,458,992.03
  5. Step 5: Solve for x
    x = 3,638,458,992.03/67,653.42
  6. Step 6: Final answer
    x = 53,780.86

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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.