Home / 60,514.47-90,772.11-21,072.33

Finding the Fourth Proportional to 60,514.47, 90,772.11 and 21,072.33

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Solution

The fourth proportional to 60,514.47, 90,772.11 and 21,072.33 is: 31,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,514.47 : 90,772.11 = 21,072.33 : x
  2. Step 2: Convert to fraction form
    60,514.47/90,772.11 = 21,072.33/x
  3. Step 3: Cross multiply
    60,514.47x = 90,772.11 × 21,072.33
  4. Step 4: Simplify right side
    60,514.47x = 1,912,779,856.72
  5. Step 5: Solve for x
    x = 1,912,779,856.72/60,514.47
  6. Step 6: Final answer
    x = 31,608.64

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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.