Home / 55,347.98-76,380.45-30,198.02

Finding the Fourth Proportional to 55,347.98, 76,380.45 and 30,198.02

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Solution

The fourth proportional to 55,347.98, 76,380.45 and 30,198.02 is: 41,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,347.98 : 76,380.45 = 30,198.02 : x
  2. Step 2: Convert to fraction form
    55,347.98/76,380.45 = 30,198.02/x
  3. Step 3: Cross multiply
    55,347.98x = 76,380.45 × 30,198.02
  4. Step 4: Simplify right side
    55,347.98x = 2,306,538,356.71
  5. Step 5: Solve for x
    x = 2,306,538,356.71/55,347.98
  6. Step 6: Final answer
    x = 41,673.40

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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.