Home / 47,649.47-71,473.80-12,110.89

Finding the Fourth Proportional to 47,649.47, 71,473.80 and 12,110.89

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Solution

The fourth proportional to 47,649.47, 71,473.80 and 12,110.89 is: 18,166.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,649.47 : 71,473.80 = 12,110.89 : x
  2. Step 2: Convert to fraction form
    47,649.47/71,473.80 = 12,110.89/x
  3. Step 3: Cross multiply
    47,649.47x = 71,473.80 × 12,110.89
  4. Step 4: Simplify right side
    47,649.47x = 865,611,329.68
  5. Step 5: Solve for x
    x = 865,611,329.68/47,649.47
  6. Step 6: Final answer
    x = 18,166.23

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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.