Home / 45,335.61-68,003.30-12,055.68

Finding the Fourth Proportional to 45,335.61, 68,003.30 and 12,055.68

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Solution

The fourth proportional to 45,335.61, 68,003.30 and 12,055.68 is: 18,083.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,335.61 : 68,003.30 = 12,055.68 : x
  2. Step 2: Convert to fraction form
    45,335.61/68,003.30 = 12,055.68/x
  3. Step 3: Cross multiply
    45,335.61x = 68,003.30 × 12,055.68
  4. Step 4: Simplify right side
    45,335.61x = 819,825,963.47
  5. Step 5: Solve for x
    x = 819,825,963.47/45,335.61
  6. Step 6: Final answer
    x = 18,083.49

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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.