Home / 77,163.08-106,484.56-43,171.40

Finding the Fourth Proportional to 77,163.08, 106,484.56 and 43,171.40

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Solution

The fourth proportional to 77,163.08, 106,484.56 and 43,171.40 is: 59,576.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,163.08 : 106,484.56 = 43,171.40 : x
  2. Step 2: Convert to fraction form
    77,163.08/106,484.56 = 43,171.40/x
  3. Step 3: Cross multiply
    77,163.08x = 106,484.56 × 43,171.40
  4. Step 4: Simplify right side
    77,163.08x = 4,597,087,533.58
  5. Step 5: Solve for x
    x = 4,597,087,533.58/77,163.08
  6. Step 6: Final answer
    x = 59,576.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.