Home / 52,120.64-78,137.04-35,433.92

Finding the Fourth Proportional to 52,120.64, 78,137.04 and 35,433.92

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Solution

The fourth proportional to 52,120.64, 78,137.04 and 35,433.92 is: 53,121.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,120.64 : 78,137.04 = 35,433.92 : x
  2. Step 2: Convert to fraction form
    52,120.64/78,137.04 = 35,433.92/x
  3. Step 3: Cross multiply
    52,120.64x = 78,137.04 × 35,433.92
  4. Step 4: Simplify right side
    52,120.64x = 2,768,701,624.40
  5. Step 5: Solve for x
    x = 2,768,701,624.40/52,120.64
  6. Step 6: Final answer
    x = 53,121.02

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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.