Home / 52,768.95-79,135.20-15,318.87

Finding the Fourth Proportional to 52,768.95, 79,135.20 and 15,318.87

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Solution

The fourth proportional to 52,768.95, 79,135.20 and 15,318.87 is: 22,973.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,768.95 : 79,135.20 = 15,318.87 : x
  2. Step 2: Convert to fraction form
    52,768.95/79,135.20 = 15,318.87/x
  3. Step 3: Cross multiply
    52,768.95x = 79,135.20 × 15,318.87
  4. Step 4: Simplify right side
    52,768.95x = 1,212,261,841.22
  5. Step 5: Solve for x
    x = 1,212,261,841.22/52,768.95
  6. Step 6: Final answer
    x = 22,973.01

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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.