Home / 74,045.10-110,743.65-66,204.30

Finding the Fourth Proportional to 74,045.10, 110,743.65 and 66,204.30

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Solution

The fourth proportional to 74,045.10, 110,743.65 and 66,204.30 is: 99,016.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,045.10 : 110,743.65 = 66,204.30 : x
  2. Step 2: Convert to fraction form
    74,045.10/110,743.65 = 66,204.30/x
  3. Step 3: Cross multiply
    74,045.10x = 110,743.65 × 66,204.30
  4. Step 4: Simplify right side
    74,045.10x = 7,331,705,827.70
  5. Step 5: Solve for x
    x = 7,331,705,827.70/74,045.10
  6. Step 6: Final answer
    x = 99,016.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.