Home / 74,914.55-103,377.49-40,916.15

Finding the Fourth Proportional to 74,914.55, 103,377.49 and 40,916.15

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Solution

The fourth proportional to 74,914.55, 103,377.49 and 40,916.15 is: 56,461.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,914.55 : 103,377.49 = 40,916.15 : x
  2. Step 2: Convert to fraction form
    74,914.55/103,377.49 = 40,916.15/x
  3. Step 3: Cross multiply
    74,914.55x = 103,377.49 × 40,916.15
  4. Step 4: Simplify right side
    74,914.55x = 4,229,808,887.46
  5. Step 5: Solve for x
    x = 4,229,808,887.46/74,914.55
  6. Step 6: Final answer
    x = 56,461.78

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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.