Home / 43,309.04-64,836.84-39,158.60

Finding the Fourth Proportional to 43,309.04, 64,836.84 and 39,158.60

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Solution

The fourth proportional to 43,309.04, 64,836.84 and 39,158.60 is: 58,623.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,309.04 : 64,836.84 = 39,158.60 : x
  2. Step 2: Convert to fraction form
    43,309.04/64,836.84 = 39,158.60/x
  3. Step 3: Cross multiply
    43,309.04x = 64,836.84 × 39,158.60
  4. Step 4: Simplify right side
    43,309.04x = 2,538,919,882.82
  5. Step 5: Solve for x
    x = 2,538,919,882.82/43,309.04
  6. Step 6: Final answer
    x = 58,623.32

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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.