Home / 74,816.26-103,248.92-40,826.61

Finding the Fourth Proportional to 74,816.26, 103,248.92 and 40,826.61

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Solution

The fourth proportional to 74,816.26, 103,248.92 and 40,826.61 is: 56,342.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,816.26 : 103,248.92 = 40,826.61 : x
  2. Step 2: Convert to fraction form
    74,816.26/103,248.92 = 40,826.61/x
  3. Step 3: Cross multiply
    74,816.26x = 103,248.92 × 40,826.61
  4. Step 4: Simplify right side
    74,816.26x = 4,215,303,389.76
  5. Step 5: Solve for x
    x = 4,215,303,389.76/74,816.26
  6. Step 6: Final answer
    x = 56,342.08

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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.