Home / 109,548.48-151,174.44-61,800.60

Finding the Fourth Proportional to 109,548.48, 151,174.44 and 61,800.60

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Solution

The fourth proportional to 109,548.48, 151,174.44 and 61,800.60 is: 85,283.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,548.48 : 151,174.44 = 61,800.60 : x
  2. Step 2: Convert to fraction form
    109,548.48/151,174.44 = 61,800.60/x
  3. Step 3: Cross multiply
    109,548.48x = 151,174.44 × 61,800.60
  4. Step 4: Simplify right side
    109,548.48x = 9,342,671,096.66
  5. Step 5: Solve for x
    x = 9,342,671,096.66/109,548.48
  6. Step 6: Final answer
    x = 85,283.44

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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.