Home / 74,938.70-103,414.19-40,946.45

Finding the Fourth Proportional to 74,938.70, 103,414.19 and 40,946.45

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Solution

The fourth proportional to 74,938.70, 103,414.19 and 40,946.45 is: 56,505.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,938.70 : 103,414.19 = 40,946.45 : x
  2. Step 2: Convert to fraction form
    74,938.70/103,414.19 = 40,946.45/x
  3. Step 3: Cross multiply
    74,938.70x = 103,414.19 × 40,946.45
  4. Step 4: Simplify right side
    74,938.70x = 4,234,443,238.32
  5. Step 5: Solve for x
    x = 4,234,443,238.32/74,938.70
  6. Step 6: Final answer
    x = 56,505.43

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1.5x scale

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.