Home / 53,204.70-79,709.85-43,290.30

Finding the Fourth Proportional to 53,204.70, 79,709.85 and 43,290.30

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Solution

The fourth proportional to 53,204.70, 79,709.85 and 43,290.30 is: 64,856.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,204.70 : 79,709.85 = 43,290.30 : x
  2. Step 2: Convert to fraction form
    53,204.70/79,709.85 = 43,290.30/x
  3. Step 3: Cross multiply
    53,204.70x = 79,709.85 × 43,290.30
  4. Step 4: Simplify right side
    53,204.70x = 3,450,663,319.46
  5. Step 5: Solve for x
    x = 3,450,663,319.46/53,204.70
  6. Step 6: Final answer
    x = 64,856.36

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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.