Home / 43,104.40-64,656.60-11,937.04

Finding the Fourth Proportional to 43,104.40, 64,656.60 and 11,937.04

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Solution

The fourth proportional to 43,104.40, 64,656.60 and 11,937.04 is: 17,905.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,104.40 : 64,656.60 = 11,937.04 : x
  2. Step 2: Convert to fraction form
    43,104.40/64,656.60 = 11,937.04/x
  3. Step 3: Cross multiply
    43,104.40x = 64,656.60 × 11,937.04
  4. Step 4: Simplify right side
    43,104.40x = 771,808,420.46
  5. Step 5: Solve for x
    x = 771,808,420.46/43,104.40
  6. Step 6: Final answer
    x = 17,905.56

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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.