Home / 99,472.02-137,273.94-61,217.34

Finding the Fourth Proportional to 99,472.02, 137,273.94 and 61,217.34

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Solution

The fourth proportional to 99,472.02, 137,273.94 and 61,217.34 is: 84,481.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,472.02 : 137,273.94 = 61,217.34 : x
  2. Step 2: Convert to fraction form
    99,472.02/137,273.94 = 61,217.34/x
  3. Step 3: Cross multiply
    99,472.02x = 137,273.94 × 61,217.34
  4. Step 4: Simplify right side
    99,472.02x = 8,403,545,458.12
  5. Step 5: Solve for x
    x = 8,403,545,458.12/99,472.02
  6. Step 6: Final answer
    x = 84,481.50

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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.