Home / 51,505.38-77,154.19-43,161.98

Finding the Fourth Proportional to 51,505.38, 77,154.19 and 43,161.98

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Solution

The fourth proportional to 51,505.38, 77,154.19 and 43,161.98 is: 64,655.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,505.38 : 77,154.19 = 43,161.98 : x
  2. Step 2: Convert to fraction form
    51,505.38/77,154.19 = 43,161.98/x
  3. Step 3: Cross multiply
    51,505.38x = 77,154.19 × 43,161.98
  4. Step 4: Simplify right side
    51,505.38x = 3,330,127,112.02
  5. Step 5: Solve for x
    x = 3,330,127,112.02/51,505.38
  6. Step 6: Final answer
    x = 64,655.91

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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.