Home / 73,184.19-109,776.55-17,780.19

Finding the Fourth Proportional to 73,184.19, 109,776.55 and 17,780.19

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Solution

The fourth proportional to 73,184.19, 109,776.55 and 17,780.19 is: 26,670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,184.19 : 109,776.55 = 17,780.19 : x
  2. Step 2: Convert to fraction form
    73,184.19/109,776.55 = 17,780.19/x
  3. Step 3: Cross multiply
    73,184.19x = 109,776.55 × 17,780.19
  4. Step 4: Simplify right side
    73,184.19x = 1,951,847,916.54
  5. Step 5: Solve for x
    x = 1,951,847,916.54/73,184.19
  6. Step 6: Final answer
    x = 26,670.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.