Home / 45,800.51-68,705.31-14,209.29

Finding the Fourth Proportional to 45,800.51, 68,705.31 and 14,209.29

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Solution

The fourth proportional to 45,800.51, 68,705.31 and 14,209.29 is: 21,315.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,800.51 : 68,705.31 = 14,209.29 : x
  2. Step 2: Convert to fraction form
    45,800.51/68,705.31 = 14,209.29/x
  3. Step 3: Cross multiply
    45,800.51x = 68,705.31 × 14,209.29
  4. Step 4: Simplify right side
    45,800.51x = 976,253,727.61
  5. Step 5: Solve for x
    x = 976,253,727.61/45,800.51
  6. Step 6: Final answer
    x = 21,315.35

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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.