Home / 61,747.20-85,204.80-34,887.60

Finding the Fourth Proportional to 61,747.20, 85,204.80 and 34,887.60

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Solution

The fourth proportional to 61,747.20, 85,204.80 and 34,887.60 is: 48,141.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,747.20 : 85,204.80 = 34,887.60 : x
  2. Step 2: Convert to fraction form
    61,747.20/85,204.80 = 34,887.60/x
  3. Step 3: Cross multiply
    61,747.20x = 85,204.80 × 34,887.60
  4. Step 4: Simplify right side
    61,747.20x = 2,972,590,980.48
  5. Step 5: Solve for x
    x = 2,972,590,980.48/61,747.20
  6. Step 6: Final answer
    x = 48,141.31

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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.