Home / 43,262.66-64,905.52-13,681.04

Finding the Fourth Proportional to 43,262.66, 64,905.52 and 13,681.04

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Solution

The fourth proportional to 43,262.66, 64,905.52 and 13,681.04 is: 20,525.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,262.66 : 64,905.52 = 13,681.04 : x
  2. Step 2: Convert to fraction form
    43,262.66/64,905.52 = 13,681.04/x
  3. Step 3: Cross multiply
    43,262.66x = 64,905.52 × 13,681.04
  4. Step 4: Simplify right side
    43,262.66x = 887,975,015.34
  5. Step 5: Solve for x
    x = 887,975,015.34/43,262.66
  6. Step 6: Final answer
    x = 20,525.21

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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.