Home / 61,789.02-85,277.94-39,130.08

Finding the Fourth Proportional to 61,789.02, 85,277.94 and 39,130.08

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Solution

The fourth proportional to 61,789.02, 85,277.94 and 39,130.08 is: 54,005.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,789.02 : 85,277.94 = 39,130.08 : x
  2. Step 2: Convert to fraction form
    61,789.02/85,277.94 = 39,130.08/x
  3. Step 3: Cross multiply
    61,789.02x = 85,277.94 × 39,130.08
  4. Step 4: Simplify right side
    61,789.02x = 3,336,932,614.44
  5. Step 5: Solve for x
    x = 3,336,932,614.44/61,789.02
  6. Step 6: Final answer
    x = 54,005.27

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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.