Home / 43,336.60-64,878.06-39,186.04

Finding the Fourth Proportional to 43,336.60, 64,878.06 and 39,186.04

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Solution

The fourth proportional to 43,336.60, 64,878.06 and 39,186.04 is: 58,664.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,336.60 : 64,878.06 = 39,186.04 : x
  2. Step 2: Convert to fraction form
    43,336.60/64,878.06 = 39,186.04/x
  3. Step 3: Cross multiply
    43,336.60x = 64,878.06 × 39,186.04
  4. Step 4: Simplify right side
    43,336.60x = 2,542,314,254.28
  5. Step 5: Solve for x
    x = 2,542,314,254.28/43,336.60
  6. Step 6: Final answer
    x = 58,664.37

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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.