Home / 52,778.04-72,835.10-28,906.26

Finding the Fourth Proportional to 52,778.04, 72,835.10 and 28,906.26

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Solution

The fourth proportional to 52,778.04, 72,835.10 and 28,906.26 is: 39,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,778.04 : 72,835.10 = 28,906.26 : x
  2. Step 2: Convert to fraction form
    52,778.04/72,835.10 = 28,906.26/x
  3. Step 3: Cross multiply
    52,778.04x = 72,835.10 × 28,906.26
  4. Step 4: Simplify right side
    52,778.04x = 2,105,390,337.73
  5. Step 5: Solve for x
    x = 2,105,390,337.73/52,778.04
  6. Step 6: Final answer
    x = 39,891.41

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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.