Home / 50,870.20-76,258.86-19,681.96

Finding the Fourth Proportional to 50,870.20, 76,258.86 and 19,681.96

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Solution

The fourth proportional to 50,870.20, 76,258.86 and 19,681.96 is: 29,504.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,870.20 : 76,258.86 = 19,681.96 : x
  2. Step 2: Convert to fraction form
    50,870.20/76,258.86 = 19,681.96/x
  3. Step 3: Cross multiply
    50,870.20x = 76,258.86 × 19,681.96
  4. Step 4: Simplify right side
    50,870.20x = 1,500,923,832.17
  5. Step 5: Solve for x
    x = 1,500,923,832.17/50,870.20
  6. Step 6: Final answer
    x = 29,504.97

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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.