Home / 74,809.13-103,236.59-41,275.13

Finding the Fourth Proportional to 74,809.13, 103,236.59 and 41,275.13

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Solution

The fourth proportional to 74,809.13, 103,236.59 and 41,275.13 is: 56,959.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,809.13 : 103,236.59 = 41,275.13 : x
  2. Step 2: Convert to fraction form
    74,809.13/103,236.59 = 41,275.13/x
  3. Step 3: Cross multiply
    74,809.13x = 103,236.59 × 41,275.13
  4. Step 4: Simplify right side
    74,809.13x = 4,261,103,260.01
  5. Step 5: Solve for x
    x = 4,261,103,260.01/74,809.13
  6. Step 6: Final answer
    x = 56,959.67

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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.