Home / 52,724.40-79,063.56-15,779.76

Finding the Fourth Proportional to 52,724.40, 79,063.56 and 15,779.76

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Solution

The fourth proportional to 52,724.40, 79,063.56 and 15,779.76 is: 23,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,724.40 : 79,063.56 = 15,779.76 : x
  2. Step 2: Convert to fraction form
    52,724.40/79,063.56 = 15,779.76/x
  3. Step 3: Cross multiply
    52,724.40x = 79,063.56 × 15,779.76
  4. Step 4: Simplify right side
    52,724.40x = 1,247,604,001.55
  5. Step 5: Solve for x
    x = 1,247,604,001.55/52,724.40
  6. Step 6: Final answer
    x = 23,662.74

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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.