Home / 74,034.83-102,167.73-40,043.34

Finding the Fourth Proportional to 74,034.83, 102,167.73 and 40,043.34

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Solution

The fourth proportional to 74,034.83, 102,167.73 and 40,043.34 is: 55,259.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,034.83 : 102,167.73 = 40,043.34 : x
  2. Step 2: Convert to fraction form
    74,034.83/102,167.73 = 40,043.34/x
  3. Step 3: Cross multiply
    74,034.83x = 102,167.73 × 40,043.34
  4. Step 4: Simplify right side
    74,034.83x = 4,091,137,149.42
  5. Step 5: Solve for x
    x = 4,091,137,149.42/74,034.83
  6. Step 6: Final answer
    x = 55,259.63

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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.