Home / 74,782.35-103,201.05-40,792.06

Finding the Fourth Proportional to 74,782.35, 103,201.05 and 40,792.06

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Solution

The fourth proportional to 74,782.35, 103,201.05 and 40,792.06 is: 56,293.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,782.35 : 103,201.05 = 40,792.06 : x
  2. Step 2: Convert to fraction form
    74,782.35/103,201.05 = 40,792.06/x
  3. Step 3: Cross multiply
    74,782.35x = 103,201.05 × 40,792.06
  4. Step 4: Simplify right side
    74,782.35x = 4,209,783,423.66
  5. Step 5: Solve for x
    x = 4,209,783,423.66/74,782.35
  6. Step 6: Final answer
    x = 56,293.81

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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.