Home / 55,754.19-83,633.18-20,197.62

Finding the Fourth Proportional to 55,754.19, 83,633.18 and 20,197.62

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Solution

The fourth proportional to 55,754.19, 83,633.18 and 20,197.62 is: 30,297.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,754.19 : 83,633.18 = 20,197.62 : x
  2. Step 2: Convert to fraction form
    55,754.19/83,633.18 = 20,197.62/x
  3. Step 3: Cross multiply
    55,754.19x = 83,633.18 × 20,197.62
  4. Step 4: Simplify right side
    55,754.19x = 1,689,191,088.04
  5. Step 5: Solve for x
    x = 1,689,191,088.04/55,754.19
  6. Step 6: Final answer
    x = 30,297.11

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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.