Home / 52,069.62-78,139.52-22,490.45

Finding the Fourth Proportional to 52,069.62, 78,139.52 and 22,490.45

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Solution

The fourth proportional to 52,069.62, 78,139.52 and 22,490.45 is: 33,750.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,069.62 : 78,139.52 = 22,490.45 : x
  2. Step 2: Convert to fraction form
    52,069.62/78,139.52 = 22,490.45/x
  3. Step 3: Cross multiply
    52,069.62x = 78,139.52 × 22,490.45
  4. Step 4: Simplify right side
    52,069.62x = 1,757,392,464.43
  5. Step 5: Solve for x
    x = 1,757,392,464.43/52,069.62
  6. Step 6: Final answer
    x = 33,750.82

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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.