Home / 53,708.67-80,486.63-39,557.42

Finding the Fourth Proportional to 53,708.67, 80,486.63 and 39,557.42

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Solution

The fourth proportional to 53,708.67, 80,486.63 and 39,557.42 is: 59,279.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,708.67 : 80,486.63 = 39,557.42 : x
  2. Step 2: Convert to fraction form
    53,708.67/80,486.63 = 39,557.42/x
  3. Step 3: Cross multiply
    53,708.67x = 80,486.63 × 39,557.42
  4. Step 4: Simplify right side
    53,708.67x = 3,183,842,827.07
  5. Step 5: Solve for x
    x = 3,183,842,827.07/53,708.67
  6. Step 6: Final answer
    x = 59,279.87

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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.