Home / 52,213.05-72,054.08-28,339.74

Finding the Fourth Proportional to 52,213.05, 72,054.08 and 28,339.74

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Solution

The fourth proportional to 52,213.05, 72,054.08 and 28,339.74 is: 39,108.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,213.05 : 72,054.08 = 28,339.74 : x
  2. Step 2: Convert to fraction form
    52,213.05/72,054.08 = 28,339.74/x
  3. Step 3: Cross multiply
    52,213.05x = 72,054.08 × 28,339.74
  4. Step 4: Simplify right side
    52,213.05x = 2,041,993,751.44
  5. Step 5: Solve for x
    x = 2,041,993,751.44/52,213.05
  6. Step 6: Final answer
    x = 39,108.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.