Home / 50,086.14-69,118.92-31,223.28

Finding the Fourth Proportional to 50,086.14, 69,118.92 and 31,223.28

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Solution

The fourth proportional to 50,086.14, 69,118.92 and 31,223.28 is: 43,088.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,086.14 : 69,118.92 = 31,223.28 : x
  2. Step 2: Convert to fraction form
    50,086.14/69,118.92 = 31,223.28/x
  3. Step 3: Cross multiply
    50,086.14x = 69,118.92 × 31,223.28
  4. Step 4: Simplify right side
    50,086.14x = 2,158,119,392.46
  5. Step 5: Solve for x
    x = 2,158,119,392.46/50,086.14
  6. Step 6: Final answer
    x = 43,088.16

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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.