Home / 61,651.02-85,077.54-34,789.80

Finding the Fourth Proportional to 61,651.02, 85,077.54 and 34,789.80

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Solution

The fourth proportional to 61,651.02, 85,077.54 and 34,789.80 is: 48,009.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,651.02 : 85,077.54 = 34,789.80 : x
  2. Step 2: Convert to fraction form
    61,651.02/85,077.54 = 34,789.80/x
  3. Step 3: Cross multiply
    61,651.02x = 85,077.54 × 34,789.80
  4. Step 4: Simplify right side
    61,651.02x = 2,959,830,601.09
  5. Step 5: Solve for x
    x = 2,959,830,601.09/61,651.02
  6. Step 6: Final answer
    x = 48,009.43

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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.