Home / 74,744.35-103,088.85-47,889.36

Finding the Fourth Proportional to 74,744.35, 103,088.85 and 47,889.36

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Solution

The fourth proportional to 74,744.35, 103,088.85 and 47,889.36 is: 66,049.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,744.35 : 103,088.85 = 47,889.36 : x
  2. Step 2: Convert to fraction form
    74,744.35/103,088.85 = 47,889.36/x
  3. Step 3: Cross multiply
    74,744.35x = 103,088.85 × 47,889.36
  4. Step 4: Simplify right side
    74,744.35x = 4,936,859,049.64
  5. Step 5: Solve for x
    x = 4,936,859,049.64/74,744.35
  6. Step 6: Final answer
    x = 66,049.93

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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.