Home / 53,855.61-74,319.29-29,982.28

Finding the Fourth Proportional to 53,855.61, 74,319.29 and 29,982.28

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Solution

The fourth proportional to 53,855.61, 74,319.29 and 29,982.28 is: 41,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,855.61 : 74,319.29 = 29,982.28 : x
  2. Step 2: Convert to fraction form
    53,855.61/74,319.29 = 29,982.28/x
  3. Step 3: Cross multiply
    53,855.61x = 74,319.29 × 29,982.28
  4. Step 4: Simplify right side
    53,855.61x = 2,228,261,817.60
  5. Step 5: Solve for x
    x = 2,228,261,817.60/53,855.61
  6. Step 6: Final answer
    x = 41,374.74

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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.