Home / 55,434.12-76,499.06-29,940.48

Finding the Fourth Proportional to 55,434.12, 76,499.06 and 29,940.48

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Solution

The fourth proportional to 55,434.12, 76,499.06 and 29,940.48 is: 41,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,434.12 : 76,499.06 = 29,940.48 : x
  2. Step 2: Convert to fraction form
    55,434.12/76,499.06 = 29,940.48/x
  3. Step 3: Cross multiply
    55,434.12x = 76,499.06 × 29,940.48
  4. Step 4: Simplify right side
    55,434.12x = 2,290,418,575.95
  5. Step 5: Solve for x
    x = 2,290,418,575.95/55,434.12
  6. Step 6: Final answer
    x = 41,317.85

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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.