Home / 45,912.16-68,897.34-19,617.08

Finding the Fourth Proportional to 45,912.16, 68,897.34 and 19,617.08

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Solution

The fourth proportional to 45,912.16, 68,897.34 and 19,617.08 is: 29,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,912.16 : 68,897.34 = 19,617.08 : x
  2. Step 2: Convert to fraction form
    45,912.16/68,897.34 = 19,617.08/x
  3. Step 3: Cross multiply
    45,912.16x = 68,897.34 × 19,617.08
  4. Step 4: Simplify right side
    45,912.16x = 1,351,564,630.57
  5. Step 5: Solve for x
    x = 1,351,564,630.57/45,912.16
  6. Step 6: Final answer
    x = 29,438.05

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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.