Home / 74,034.24-102,168.06-40,043.40

Finding the Fourth Proportional to 74,034.24, 102,168.06 and 40,043.40

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Solution

The fourth proportional to 74,034.24, 102,168.06 and 40,043.40 is: 55,260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,034.24 : 102,168.06 = 40,043.40 : x
  2. Step 2: Convert to fraction form
    74,034.24/102,168.06 = 40,043.40/x
  3. Step 3: Cross multiply
    74,034.24x = 102,168.06 × 40,043.40
  4. Step 4: Simplify right side
    74,034.24x = 4,091,156,493.80
  5. Step 5: Solve for x
    x = 4,091,156,493.80/74,034.24
  6. Step 6: Final answer
    x = 55,260.33

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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.