Home / 80,587.20-111,178.49-46,589.43

Finding the Fourth Proportional to 80,587.20, 111,178.49 and 46,589.43

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Solution

The fourth proportional to 80,587.20, 111,178.49 and 46,589.43 is: 64,275.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,587.20 : 111,178.49 = 46,589.43 : x
  2. Step 2: Convert to fraction form
    80,587.20/111,178.49 = 46,589.43/x
  3. Step 3: Cross multiply
    80,587.20x = 111,178.49 × 46,589.43
  4. Step 4: Simplify right side
    80,587.20x = 5,179,742,477.36
  5. Step 5: Solve for x
    x = 5,179,742,477.36/80,587.20
  6. Step 6: Final answer
    x = 64,275.00

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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.