Home / 53,301.72-79,828.20-42,133.44

Finding the Fourth Proportional to 53,301.72, 79,828.20 and 42,133.44

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Solution

The fourth proportional to 53,301.72, 79,828.20 and 42,133.44 is: 63,101.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,301.72 : 79,828.20 = 42,133.44 : x
  2. Step 2: Convert to fraction form
    53,301.72/79,828.20 = 42,133.44/x
  3. Step 3: Cross multiply
    53,301.72x = 79,828.20 × 42,133.44
  4. Step 4: Simplify right side
    53,301.72x = 3,363,436,675.01
  5. Step 5: Solve for x
    x = 3,363,436,675.01/53,301.72
  6. Step 6: Final answer
    x = 63,101.84

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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.