Home / 53,865.64-74,333.28-29,991.82

Finding the Fourth Proportional to 53,865.64, 74,333.28 and 29,991.82

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Solution

The fourth proportional to 53,865.64, 74,333.28 and 29,991.82 is: 41,387.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,865.64 : 74,333.28 = 29,991.82 : x
  2. Step 2: Convert to fraction form
    53,865.64/74,333.28 = 29,991.82/x
  3. Step 3: Cross multiply
    53,865.64x = 74,333.28 × 29,991.82
  4. Step 4: Simplify right side
    53,865.64x = 2,229,390,353.77
  5. Step 5: Solve for x
    x = 2,229,390,353.77/53,865.64
  6. Step 6: Final answer
    x = 41,387.99

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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.