Home / 66,856.44-92,239.26-38,561.40

Finding the Fourth Proportional to 66,856.44, 92,239.26 and 38,561.40

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Solution

The fourth proportional to 66,856.44, 92,239.26 and 38,561.40 is: 53,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,856.44 : 92,239.26 = 38,561.40 : x
  2. Step 2: Convert to fraction form
    66,856.44/92,239.26 = 38,561.40/x
  3. Step 3: Cross multiply
    66,856.44x = 92,239.26 × 38,561.40
  4. Step 4: Simplify right side
    66,856.44x = 3,556,875,000.56
  5. Step 5: Solve for x
    x = 3,556,875,000.56/66,856.44
  6. Step 6: Final answer
    x = 53,201.68

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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.