Home / 74,846.80-103,288.52-41,312.72

Finding the Fourth Proportional to 74,846.80, 103,288.52 and 41,312.72

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Solution

The fourth proportional to 74,846.80, 103,288.52 and 41,312.72 is: 57,011.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,846.80 : 103,288.52 = 41,312.72 : x
  2. Step 2: Convert to fraction form
    74,846.80/103,288.52 = 41,312.72/x
  3. Step 3: Cross multiply
    74,846.80x = 103,288.52 × 41,312.72
  4. Step 4: Simplify right side
    74,846.80x = 4,267,129,705.97
  5. Step 5: Solve for x
    x = 4,267,129,705.97/74,846.80
  6. Step 6: Final answer
    x = 57,011.52

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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.