Home / 53,270.39-79,808.68-31,016.30

Finding the Fourth Proportional to 53,270.39, 79,808.68 and 31,016.30

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Solution

The fourth proportional to 53,270.39, 79,808.68 and 31,016.30 is: 46,468.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,270.39 : 79,808.68 = 31,016.30 : x
  2. Step 2: Convert to fraction form
    53,270.39/79,808.68 = 31,016.30/x
  3. Step 3: Cross multiply
    53,270.39x = 79,808.68 × 31,016.30
  4. Step 4: Simplify right side
    53,270.39x = 2,475,370,050.13
  5. Step 5: Solve for x
    x = 2,475,370,050.13/53,270.39
  6. Step 6: Final answer
    x = 46,468.03

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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.