Home / 53,333.68-79,974.40-31,152.64

Finding the Fourth Proportional to 53,333.68, 79,974.40 and 31,152.64

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Solution

The fourth proportional to 53,333.68, 79,974.40 and 31,152.64 is: 46,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,333.68 : 79,974.40 = 31,152.64 : x
  2. Step 2: Convert to fraction form
    53,333.68/79,974.40 = 31,152.64/x
  3. Step 3: Cross multiply
    53,333.68x = 79,974.40 × 31,152.64
  4. Step 4: Simplify right side
    53,333.68x = 2,491,413,692.42
  5. Step 5: Solve for x
    x = 2,491,413,692.42/53,333.68
  6. Step 6: Final answer
    x = 46,713.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.