Home / 55,243.11-76,264.34-43,117.54

Finding the Fourth Proportional to 55,243.11, 76,264.34 and 43,117.54

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Solution

The fourth proportional to 55,243.11, 76,264.34 and 43,117.54 is: 59,524.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,243.11 : 76,264.34 = 43,117.54 : x
  2. Step 2: Convert to fraction form
    55,243.11/76,264.34 = 43,117.54/x
  3. Step 3: Cross multiply
    55,243.11x = 76,264.34 × 43,117.54
  4. Step 4: Simplify right side
    55,243.11x = 3,288,330,730.52
  5. Step 5: Solve for x
    x = 3,288,330,730.52/55,243.11
  6. Step 6: Final answer
    x = 59,524.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.