Home / 52,272.08-72,135.53-28,398.77

Finding the Fourth Proportional to 52,272.08, 72,135.53 and 28,398.77

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Solution

The fourth proportional to 52,272.08, 72,135.53 and 28,398.77 is: 39,190.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,272.08 : 72,135.53 = 28,398.77 : x
  2. Step 2: Convert to fraction form
    52,272.08/72,135.53 = 28,398.77/x
  3. Step 3: Cross multiply
    52,272.08x = 72,135.53 × 28,398.77
  4. Step 4: Simplify right side
    52,272.08x = 2,048,560,325.30
  5. Step 5: Solve for x
    x = 2,048,560,325.30/52,272.08
  6. Step 6: Final answer
    x = 39,190.33

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Double scale
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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.