Home / 74,044.70-102,149.23-43,402.26

Finding the Fourth Proportional to 74,044.70, 102,149.23 and 43,402.26

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Solution

The fourth proportional to 74,044.70, 102,149.23 and 43,402.26 is: 59,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,044.70 : 102,149.23 = 43,402.26 : x
  2. Step 2: Convert to fraction form
    74,044.70/102,149.23 = 43,402.26/x
  3. Step 3: Cross multiply
    74,044.70x = 102,149.23 × 43,402.26
  4. Step 4: Simplify right side
    74,044.70x = 4,433,507,876.57
  5. Step 5: Solve for x
    x = 4,433,507,876.57/74,044.70
  6. Step 6: Final answer
    x = 59,876.10

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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.