Home / 45,335.79-68,003.60-12,055.86

Finding the Fourth Proportional to 45,335.79, 68,003.60 and 12,055.86

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Solution

The fourth proportional to 45,335.79, 68,003.60 and 12,055.86 is: 18,083.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,335.79 : 68,003.60 = 12,055.86 : x
  2. Step 2: Convert to fraction form
    45,335.79/68,003.60 = 12,055.86/x
  3. Step 3: Cross multiply
    45,335.79x = 68,003.60 × 12,055.86
  4. Step 4: Simplify right side
    45,335.79x = 819,841,820.82
  5. Step 5: Solve for x
    x = 819,841,820.82/45,335.79
  6. Step 6: Final answer
    x = 18,083.77

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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.