Home / 71,027.43-106,439.63-52,159.47

Finding the Fourth Proportional to 71,027.43, 106,439.63 and 52,159.47

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Solution

The fourth proportional to 71,027.43, 106,439.63 and 52,159.47 is: 78,164.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,027.43 : 106,439.63 = 52,159.47 : x
  2. Step 2: Convert to fraction form
    71,027.43/106,439.63 = 52,159.47/x
  3. Step 3: Cross multiply
    71,027.43x = 106,439.63 × 52,159.47
  4. Step 4: Simplify right side
    71,027.43x = 5,551,834,427.00
  5. Step 5: Solve for x
    x = 5,551,834,427.00/71,027.43
  6. Step 6: Final answer
    x = 78,164.65

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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.