Home / 52,132.97-78,012.57-45,137.10

Finding the Fourth Proportional to 52,132.97, 78,012.57 and 45,137.10

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Solution

The fourth proportional to 52,132.97, 78,012.57 and 45,137.10 is: 67,543.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,132.97 : 78,012.57 = 45,137.10 : x
  2. Step 2: Convert to fraction form
    52,132.97/78,012.57 = 45,137.10/x
  3. Step 3: Cross multiply
    52,132.97x = 78,012.57 × 45,137.10
  4. Step 4: Simplify right side
    52,132.97x = 3,521,260,942.44
  5. Step 5: Solve for x
    x = 3,521,260,942.44/52,132.97
  6. Step 6: Final answer
    x = 67,543.84

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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.