Home / 45,706.40-68,564.64-14,534.36

Finding the Fourth Proportional to 45,706.40, 68,564.64 and 14,534.36

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Solution

The fourth proportional to 45,706.40, 68,564.64 and 14,534.36 is: 21,803.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,706.40 : 68,564.64 = 14,534.36 : x
  2. Step 2: Convert to fraction form
    45,706.40/68,564.64 = 14,534.36/x
  3. Step 3: Cross multiply
    45,706.40x = 68,564.64 × 14,534.36
  4. Step 4: Simplify right side
    45,706.40x = 996,543,161.03
  5. Step 5: Solve for x
    x = 996,543,161.03/45,706.40
  6. Step 6: Final answer
    x = 21,803.14

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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.