Home / 50,304.12-69,425.16-31,178.80

Finding the Fourth Proportional to 50,304.12, 69,425.16 and 31,178.80

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Solution

The fourth proportional to 50,304.12, 69,425.16 and 31,178.80 is: 43,030.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,304.12 : 69,425.16 = 31,178.80 : x
  2. Step 2: Convert to fraction form
    50,304.12/69,425.16 = 31,178.80/x
  3. Step 3: Cross multiply
    50,304.12x = 69,425.16 × 31,178.80
  4. Step 4: Simplify right side
    50,304.12x = 2,164,593,178.61
  5. Step 5: Solve for x
    x = 2,164,593,178.61/50,304.12
  6. Step 6: Final answer
    x = 43,030.14

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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.