Home / 53,123.58-79,466.49-43,657.02

Finding the Fourth Proportional to 53,123.58, 79,466.49 and 43,657.02

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Solution

The fourth proportional to 53,123.58, 79,466.49 and 43,657.02 is: 65,305.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,123.58 : 79,466.49 = 43,657.02 : x
  2. Step 2: Convert to fraction form
    53,123.58/79,466.49 = 43,657.02/x
  3. Step 3: Cross multiply
    53,123.58x = 79,466.49 × 43,657.02
  4. Step 4: Simplify right side
    53,123.58x = 3,469,270,143.26
  5. Step 5: Solve for x
    x = 3,469,270,143.26/53,123.58
  6. Step 6: Final answer
    x = 65,305.65

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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.