Home / 52,119.18-78,137.46-22,516.38

Finding the Fourth Proportional to 52,119.18, 78,137.46 and 22,516.38

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Solution

The fourth proportional to 52,119.18, 78,137.46 and 22,516.38 is: 33,756.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,119.18 : 78,137.46 = 22,516.38 : x
  2. Step 2: Convert to fraction form
    52,119.18/78,137.46 = 22,516.38/x
  3. Step 3: Cross multiply
    52,119.18x = 78,137.46 × 22,516.38
  4. Step 4: Simplify right side
    52,119.18x = 1,759,372,741.59
  5. Step 5: Solve for x
    x = 1,759,372,741.59/52,119.18
  6. Step 6: Final answer
    x = 33,756.72

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1.5x scale

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.