Home / 53,273.70-79,813.35-43,359.30

Finding the Fourth Proportional to 53,273.70, 79,813.35 and 43,359.30

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Solution

The fourth proportional to 53,273.70, 79,813.35 and 43,359.30 is: 64,959.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,273.70 : 79,813.35 = 43,359.30 : x
  2. Step 2: Convert to fraction form
    53,273.70/79,813.35 = 43,359.30/x
  3. Step 3: Cross multiply
    53,273.70x = 79,813.35 × 43,359.30
  4. Step 4: Simplify right side
    53,273.70x = 3,460,650,986.66
  5. Step 5: Solve for x
    x = 3,460,650,986.66/53,273.70
  6. Step 6: Final answer
    x = 64,959.84

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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.