Home / 53,281.68-79,933.32-15,842.40

Finding the Fourth Proportional to 53,281.68, 79,933.32 and 15,842.40

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Solution

The fourth proportional to 53,281.68, 79,933.32 and 15,842.40 is: 23,766.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,281.68 : 79,933.32 = 15,842.40 : x
  2. Step 2: Convert to fraction form
    53,281.68/79,933.32 = 15,842.40/x
  3. Step 3: Cross multiply
    53,281.68x = 79,933.32 × 15,842.40
  4. Step 4: Simplify right side
    53,281.68x = 1,266,335,628.77
  5. Step 5: Solve for x
    x = 1,266,335,628.77/53,281.68
  6. Step 6: Final answer
    x = 23,766.81

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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.