Home / 52,213.75-72,053.05-28,339.91

Finding the Fourth Proportional to 52,213.75, 72,053.05 and 28,339.91

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Solution

The fourth proportional to 52,213.75, 72,053.05 and 28,339.91 is: 39,108.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,213.75 : 72,053.05 = 28,339.91 : x
  2. Step 2: Convert to fraction form
    52,213.75/72,053.05 = 28,339.91/x
  3. Step 3: Cross multiply
    52,213.75x = 72,053.05 × 28,339.91
  4. Step 4: Simplify right side
    52,213.75x = 2,041,977,168.35
  5. Step 5: Solve for x
    x = 2,041,977,168.35/52,213.75
  6. Step 6: Final answer
    x = 39,108.03

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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.