Home / 53,115.40-79,673.10-36,526.60

Finding the Fourth Proportional to 53,115.40, 79,673.10 and 36,526.60

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Solution

The fourth proportional to 53,115.40, 79,673.10 and 36,526.60 is: 54,789.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,115.40 : 79,673.10 = 36,526.60 : x
  2. Step 2: Convert to fraction form
    53,115.40/79,673.10 = 36,526.60/x
  3. Step 3: Cross multiply
    53,115.40x = 79,673.10 × 36,526.60
  4. Step 4: Simplify right side
    53,115.40x = 2,910,187,454.46
  5. Step 5: Solve for x
    x = 2,910,187,454.46/53,115.40
  6. Step 6: Final answer
    x = 54,789.90

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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.