Home / 53,991.02-81,009.92-29,001.92

Finding the Fourth Proportional to 53,991.02, 81,009.92 and 29,001.92

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Solution

The fourth proportional to 53,991.02, 81,009.92 and 29,001.92 is: 43,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,991.02 : 81,009.92 = 29,001.92 : x
  2. Step 2: Convert to fraction form
    53,991.02/81,009.92 = 29,001.92/x
  3. Step 3: Cross multiply
    53,991.02x = 81,009.92 × 29,001.92
  4. Step 4: Simplify right side
    53,991.02x = 2,349,442,886.50
  5. Step 5: Solve for x
    x = 2,349,442,886.50/53,991.02
  6. Step 6: Final answer
    x = 43,515.44

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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.