Home / 74,835.20-103,274.72-41,303.36

Finding the Fourth Proportional to 74,835.20, 103,274.72 and 41,303.36

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Solution

The fourth proportional to 74,835.20, 103,274.72 and 41,303.36 is: 56,999.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,835.20 : 103,274.72 = 41,303.36 : x
  2. Step 2: Convert to fraction form
    74,835.20/103,274.72 = 41,303.36/x
  3. Step 3: Cross multiply
    74,835.20x = 103,274.72 × 41,303.36
  4. Step 4: Simplify right side
    74,835.20x = 4,265,592,939.06
  5. Step 5: Solve for x
    x = 4,265,592,939.06/74,835.20
  6. Step 6: Final answer
    x = 56,999.82

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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.