Home / 52,123.14-71,930.05-28,249.81

Finding the Fourth Proportional to 52,123.14, 71,930.05 and 28,249.81

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Solution

The fourth proportional to 52,123.14, 71,930.05 and 28,249.81 is: 38,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,123.14 : 71,930.05 = 28,249.81 : x
  2. Step 2: Convert to fraction form
    52,123.14/71,930.05 = 28,249.81/x
  3. Step 3: Cross multiply
    52,123.14x = 71,930.05 × 28,249.81
  4. Step 4: Simplify right side
    52,123.14x = 2,032,009,995.34
  5. Step 5: Solve for x
    x = 2,032,009,995.34/52,123.14
  6. Step 6: Final answer
    x = 38,984.80

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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.