Home / 45,721.90-68,587.71-14,549.86

Finding the Fourth Proportional to 45,721.90, 68,587.71 and 14,549.86

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Solution

The fourth proportional to 45,721.90, 68,587.71 and 14,549.86 is: 21,826.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,721.90 : 68,587.71 = 14,549.86 : x
  2. Step 2: Convert to fraction form
    45,721.90/68,587.71 = 14,549.86/x
  3. Step 3: Cross multiply
    45,721.90x = 68,587.71 × 14,549.86
  4. Step 4: Simplify right side
    45,721.90x = 997,941,578.22
  5. Step 5: Solve for x
    x = 997,941,578.22/45,721.90
  6. Step 6: Final answer
    x = 21,826.34

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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.