Home / 45,865.38-68,789.38-14,275.84

Finding the Fourth Proportional to 45,865.38, 68,789.38 and 14,275.84

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Solution

The fourth proportional to 45,865.38, 68,789.38 and 14,275.84 is: 21,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,865.38 : 68,789.38 = 14,275.84 : x
  2. Step 2: Convert to fraction form
    45,865.38/68,789.38 = 14,275.84/x
  3. Step 3: Cross multiply
    45,865.38x = 68,789.38 × 14,275.84
  4. Step 4: Simplify right side
    45,865.38x = 982,026,130.66
  5. Step 5: Solve for x
    x = 982,026,130.66/45,865.38
  6. Step 6: Final answer
    x = 21,411.05

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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.