Home / 53,390.36-80,445.92-44,234.12

Finding the Fourth Proportional to 53,390.36, 80,445.92 and 44,234.12

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Solution

The fourth proportional to 53,390.36, 80,445.92 and 44,234.12 is: 66,649.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390.36 : 80,445.92 = 44,234.12 : x
  2. Step 2: Convert to fraction form
    53,390.36/80,445.92 = 44,234.12/x
  3. Step 3: Cross multiply
    53,390.36x = 80,445.92 × 44,234.12
  4. Step 4: Simplify right side
    53,390.36x = 3,558,454,478.79
  5. Step 5: Solve for x
    x = 3,558,454,478.79/53,390.36
  6. Step 6: Final answer
    x = 66,649.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.