Home / 53,302.72-79,829.70-42,134.44

Finding the Fourth Proportional to 53,302.72, 79,829.70 and 42,134.44

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Solution

The fourth proportional to 53,302.72, 79,829.70 and 42,134.44 is: 63,103.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,302.72 : 79,829.70 = 42,134.44 : x
  2. Step 2: Convert to fraction form
    53,302.72/79,829.70 = 42,134.44/x
  3. Step 3: Cross multiply
    53,302.72x = 79,829.70 × 42,134.44
  4. Step 4: Simplify right side
    53,302.72x = 3,363,579,704.87
  5. Step 5: Solve for x
    x = 3,363,579,704.87/53,302.72
  6. Step 6: Final answer
    x = 63,103.34

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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.