Home / 45,726.73-68,565.03-14,128.22

Finding the Fourth Proportional to 45,726.73, 68,565.03 and 14,128.22

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Solution

The fourth proportional to 45,726.73, 68,565.03 and 14,128.22 is: 21,184.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,726.73 : 68,565.03 = 14,128.22 : x
  2. Step 2: Convert to fraction form
    45,726.73/68,565.03 = 14,128.22/x
  3. Step 3: Cross multiply
    45,726.73x = 68,565.03 × 14,128.22
  4. Step 4: Simplify right side
    45,726.73x = 968,702,026.05
  5. Step 5: Solve for x
    x = 968,702,026.05/45,726.73
  6. Step 6: Final answer
    x = 21,184.59

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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.