Home / 45,039.16-67,560.14-15,456.60

Finding the Fourth Proportional to 45,039.16, 67,560.14 and 15,456.60

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Solution

The fourth proportional to 45,039.16, 67,560.14 and 15,456.60 is: 23,185.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,039.16 : 67,560.14 = 15,456.60 : x
  2. Step 2: Convert to fraction form
    45,039.16/67,560.14 = 15,456.60/x
  3. Step 3: Cross multiply
    45,039.16x = 67,560.14 × 15,456.60
  4. Step 4: Simplify right side
    45,039.16x = 1,044,250,059.92
  5. Step 5: Solve for x
    x = 1,044,250,059.92/45,039.16
  6. Step 6: Final answer
    x = 23,185.38

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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.