Home / 50,722.11-69,993.45-30,585.51

Finding the Fourth Proportional to 50,722.11, 69,993.45 and 30,585.51

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Solution

The fourth proportional to 50,722.11, 69,993.45 and 30,585.51 is: 42,206.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,722.11 : 69,993.45 = 30,585.51 : x
  2. Step 2: Convert to fraction form
    50,722.11/69,993.45 = 30,585.51/x
  3. Step 3: Cross multiply
    50,722.11x = 69,993.45 × 30,585.51
  4. Step 4: Simplify right side
    50,722.11x = 2,140,785,364.91
  5. Step 5: Solve for x
    x = 2,140,785,364.91/50,722.11
  6. Step 6: Final answer
    x = 42,206.16

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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.