Home / 79,362.02-118,997.92-61,343.87

Finding the Fourth Proportional to 79,362.02, 118,997.92 and 61,343.87

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Solution

The fourth proportional to 79,362.02, 118,997.92 and 61,343.87 is: 91,980.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,362.02 : 118,997.92 = 61,343.87 : x
  2. Step 2: Convert to fraction form
    79,362.02/118,997.92 = 61,343.87/x
  3. Step 3: Cross multiply
    79,362.02x = 118,997.92 × 61,343.87
  4. Step 4: Simplify right side
    79,362.02x = 7,299,793,078.89
  5. Step 5: Solve for x
    x = 7,299,793,078.89/79,362.02
  6. Step 6: Final answer
    x = 91,980.94

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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.