Home / 55,148.58-76,105.80-29,998.08

Finding the Fourth Proportional to 55,148.58, 76,105.80 and 29,998.08

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Solution

The fourth proportional to 55,148.58, 76,105.80 and 29,998.08 is: 41,397.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,148.58 : 76,105.80 = 29,998.08 : x
  2. Step 2: Convert to fraction form
    55,148.58/76,105.80 = 29,998.08/x
  3. Step 3: Cross multiply
    55,148.58x = 76,105.80 × 29,998.08
  4. Step 4: Simplify right side
    55,148.58x = 2,283,027,876.86
  5. Step 5: Solve for x
    x = 2,283,027,876.86/55,148.58
  6. Step 6: Final answer
    x = 41,397.76

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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.