Home / 74,844.19-103,288.03-40,854.97

Finding the Fourth Proportional to 74,844.19, 103,288.03 and 40,854.97

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Solution

The fourth proportional to 74,844.19, 103,288.03 and 40,854.97 is: 56,381.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,844.19 : 103,288.03 = 40,854.97 : x
  2. Step 2: Convert to fraction form
    74,844.19/103,288.03 = 40,854.97/x
  3. Step 3: Cross multiply
    74,844.19x = 103,288.03 × 40,854.97
  4. Step 4: Simplify right side
    74,844.19x = 4,219,829,676.30
  5. Step 5: Solve for x
    x = 4,219,829,676.30/74,844.19
  6. Step 6: Final answer
    x = 56,381.52

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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.