Home / 74,943.81-103,423.05-48,086.82

Finding the Fourth Proportional to 74,943.81, 103,423.05 and 48,086.82

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Solution

The fourth proportional to 74,943.81, 103,423.05 and 48,086.82 is: 66,360.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,943.81 : 103,423.05 = 48,086.82 : x
  2. Step 2: Convert to fraction form
    74,943.81/103,423.05 = 48,086.82/x
  3. Step 3: Cross multiply
    74,943.81x = 103,423.05 × 48,086.82
  4. Step 4: Simplify right side
    74,943.81x = 4,973,285,589.20
  5. Step 5: Solve for x
    x = 4,973,285,589.20/74,943.81
  6. Step 6: Final answer
    x = 66,360.19

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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.