Home / 51,382.35-76,898.43-43,071.75

Finding the Fourth Proportional to 51,382.35, 76,898.43 and 43,071.75

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Solution

The fourth proportional to 51,382.35, 76,898.43 and 43,071.75 is: 64,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,382.35 : 76,898.43 = 43,071.75 : x
  2. Step 2: Convert to fraction form
    51,382.35/76,898.43 = 43,071.75/x
  3. Step 3: Cross multiply
    51,382.35x = 76,898.43 × 43,071.75
  4. Step 4: Simplify right side
    51,382.35x = 3,312,149,952.35
  5. Step 5: Solve for x
    x = 3,312,149,952.35/51,382.35
  6. Step 6: Final answer
    x = 64,460.85

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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.