Home / 53,715.50-80,577.58-16,779.50

Finding the Fourth Proportional to 53,715.50, 80,577.58 and 16,779.50

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Solution

The fourth proportional to 53,715.50, 80,577.58 and 16,779.50 is: 25,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,715.50 : 80,577.58 = 16,779.50 : x
  2. Step 2: Convert to fraction form
    53,715.50/80,577.58 = 16,779.50/x
  3. Step 3: Cross multiply
    53,715.50x = 80,577.58 × 16,779.50
  4. Step 4: Simplify right side
    53,715.50x = 1,352,051,503.61
  5. Step 5: Solve for x
    x = 1,352,051,503.61/53,715.50
  6. Step 6: Final answer
    x = 25,170.60

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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.