Home / 74,613.22-103,004.27-57,579.19

Finding the Fourth Proportional to 74,613.22, 103,004.27 and 57,579.19

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Solution

The fourth proportional to 74,613.22, 103,004.27 and 57,579.19 is: 79,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,613.22 : 103,004.27 = 57,579.19 : x
  2. Step 2: Convert to fraction form
    74,613.22/103,004.27 = 57,579.19/x
  3. Step 3: Cross multiply
    74,613.22x = 103,004.27 × 57,579.19
  4. Step 4: Simplify right side
    74,613.22x = 5,930,902,433.14
  5. Step 5: Solve for x
    x = 5,930,902,433.14/74,613.22
  6. Step 6: Final answer
    x = 79,488.63

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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.