Home / 74,466.64-102,763.89-40,475.09

Finding the Fourth Proportional to 74,466.64, 102,763.89 and 40,475.09

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Solution

The fourth proportional to 74,466.64, 102,763.89 and 40,475.09 is: 55,855.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,466.64 : 102,763.89 = 40,475.09 : x
  2. Step 2: Convert to fraction form
    74,466.64/102,763.89 = 40,475.09/x
  3. Step 3: Cross multiply
    74,466.64x = 102,763.89 × 40,475.09
  4. Step 4: Simplify right side
    74,466.64x = 4,159,377,953.41
  5. Step 5: Solve for x
    x = 4,159,377,953.41/74,466.64
  6. Step 6: Final answer
    x = 55,855.59

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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.