Home / 71,178.48-106,804.08-31,761.36

Finding the Fourth Proportional to 71,178.48, 106,804.08 and 31,761.36

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Solution

The fourth proportional to 71,178.48, 106,804.08 and 31,761.36 is: 47,658.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,178.48 : 106,804.08 = 31,761.36 : x
  2. Step 2: Convert to fraction form
    71,178.48/106,804.08 = 31,761.36/x
  3. Step 3: Cross multiply
    71,178.48x = 106,804.08 × 31,761.36
  4. Step 4: Simplify right side
    71,178.48x = 3,392,242,834.35
  5. Step 5: Solve for x
    x = 3,392,242,834.35/71,178.48
  6. Step 6: Final answer
    x = 47,658.26

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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.