Home / 53,063.42-79,567.72-15,618.62

Finding the Fourth Proportional to 53,063.42, 79,567.72 and 15,618.62

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Solution

The fourth proportional to 53,063.42, 79,567.72 and 15,618.62 is: 23,419.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,063.42 : 79,567.72 = 15,618.62 : x
  2. Step 2: Convert to fraction form
    53,063.42/79,567.72 = 15,618.62/x
  3. Step 3: Cross multiply
    53,063.42x = 79,567.72 × 15,618.62
  4. Step 4: Simplify right side
    53,063.42x = 1,242,737,982.95
  5. Step 5: Solve for x
    x = 1,242,737,982.95/53,063.42
  6. Step 6: Final answer
    x = 23,419.86

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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.