Home / 45,746.82-68,626.79-14,159.66

Finding the Fourth Proportional to 45,746.82, 68,626.79 and 14,159.66

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Solution

The fourth proportional to 45,746.82, 68,626.79 and 14,159.66 is: 21,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,746.82 : 68,626.79 = 14,159.66 : x
  2. Step 2: Convert to fraction form
    45,746.82/68,626.79 = 14,159.66/x
  3. Step 3: Cross multiply
    45,746.82x = 68,626.79 × 14,159.66
  4. Step 4: Simplify right side
    45,746.82x = 971,731,877.12
  5. Step 5: Solve for x
    x = 971,731,877.12/45,746.82
  6. Step 6: Final answer
    x = 21,241.52

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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.