Home / 74,874.85-103,331.47-40,886.49

Finding the Fourth Proportional to 74,874.85, 103,331.47 and 40,886.49

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Solution

The fourth proportional to 74,874.85, 103,331.47 and 40,886.49 is: 56,425.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,874.85 : 103,331.47 = 40,886.49 : x
  2. Step 2: Convert to fraction form
    74,874.85/103,331.47 = 40,886.49/x
  3. Step 3: Cross multiply
    74,874.85x = 103,331.47 × 40,886.49
  4. Step 4: Simplify right side
    74,874.85x = 4,224,860,895.54
  5. Step 5: Solve for x
    x = 4,224,860,895.54/74,874.85
  6. Step 6: Final answer
    x = 56,425.64

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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.