Home / 45,830.40-68,722.92-14,661.60

Finding the Fourth Proportional to 45,830.40, 68,722.92 and 14,661.60

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Solution

The fourth proportional to 45,830.40, 68,722.92 and 14,661.60 is: 21,985.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,830.40 : 68,722.92 = 14,661.60 : x
  2. Step 2: Convert to fraction form
    45,830.40/68,722.92 = 14,661.60/x
  3. Step 3: Cross multiply
    45,830.40x = 68,722.92 × 14,661.60
  4. Step 4: Simplify right side
    45,830.40x = 1,007,587,963.87
  5. Step 5: Solve for x
    x = 1,007,587,963.87/45,830.40
  6. Step 6: Final answer
    x = 21,985.14

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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.