Home / 74,877.41-103,334.99-40,889.04

Finding the Fourth Proportional to 74,877.41, 103,334.99 and 40,889.04

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Solution

The fourth proportional to 74,877.41, 103,334.99 and 40,889.04 is: 56,429.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,877.41 : 103,334.99 = 40,889.04 : x
  2. Step 2: Convert to fraction form
    74,877.41/103,334.99 = 40,889.04/x
  3. Step 3: Cross multiply
    74,877.41x = 103,334.99 × 40,889.04
  4. Step 4: Simplify right side
    74,877.41x = 4,225,268,335.06
  5. Step 5: Solve for x
    x = 4,225,268,335.06/74,877.41
  6. Step 6: Final answer
    x = 56,429.15

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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.