Home / 43,167.40-64,746.42-11,580.60

Finding the Fourth Proportional to 43,167.40, 64,746.42 and 11,580.60

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Solution

The fourth proportional to 43,167.40, 64,746.42 and 11,580.60 is: 17,369.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,167.40 : 64,746.42 = 11,580.60 : x
  2. Step 2: Convert to fraction form
    43,167.40/64,746.42 = 11,580.60/x
  3. Step 3: Cross multiply
    43,167.40x = 64,746.42 × 11,580.60
  4. Step 4: Simplify right side
    43,167.40x = 749,802,391.45
  5. Step 5: Solve for x
    x = 749,802,391.45/43,167.40
  6. Step 6: Final answer
    x = 17,369.64

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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.