Home / 55,112.16-76,055.64-29,961.76

Finding the Fourth Proportional to 55,112.16, 76,055.64 and 29,961.76

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Solution

The fourth proportional to 55,112.16, 76,055.64 and 29,961.76 is: 41,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,112.16 : 76,055.64 = 29,961.76 : x
  2. Step 2: Convert to fraction form
    55,112.16/76,055.64 = 29,961.76/x
  3. Step 3: Cross multiply
    55,112.16x = 76,055.64 × 29,961.76
  4. Step 4: Simplify right side
    55,112.16x = 2,278,760,832.33
  5. Step 5: Solve for x
    x = 2,278,760,832.33/55,112.16
  6. Step 6: Final answer
    x = 41,347.70

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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.